19663852240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:749

約数の個数: 160

約数和(自身を含む): 47642307840

約数和(自身を除く): 27978455600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 89, 106, 107, 178, 212, 214, 265, 356, 424, 428, 445, 487, 530, 535, 712, 848, 856, 890, 974, 1060, 1070, 1424, 1712, 1780, 1948, 2120, 2140, 2435, 3560, 3896, 4240, 4280, 4717, 4870, 5671, 7120, 7792, 8560, 9434, 9523, 9740, 11342, 18868, 19046, 19480, 22684, 23585, 25811, 28355, 37736, 38092, 38960, 43343, 45368, 47170, 47615, 51622, 52109, 56710, 75472, 76184, 86686, 90736, 94340, 95230, 103244, 104218, 113420, 129055, 152368, 173372, 188680, 190460, 206488, 208436, 216715, 226840, 258110, 260545, 346744, 377360, 380920, 412976, 416872, 433430, 453680, 504719, 516220, 521090, 693488, 761840, 833744, 866860, 1009438, 1032440, 1042180, 1733720, 2018876, 2064880, 2084360, 2297179, 2523595, 2761777, 3467440, 4037752, 4168720, 4594358, 4637701, 5047190, 5523554, 8075504, 9188716, 9275402, 10094380, 11047108, 11485895, 13808885, 18377432, 18550804, 20188760, 22094216, 22971790, 23188505, 27617770, 36754864, 37101608, 40377520, 44188432, 45943580, 46377010, 55235540, 74203216, 91887160, 92754020, 110471080, 183774320, 185508040, 220942160, 245798153, 371016080, 491596306, 983192612, 1228990765, 1966385224, 2457981530, 3932770448, 4915963060, 9831926120, 19663852240]

約数ペア:

[(1, 19663852240), (2, 9831926120), (4, 4915963060), (5, 3932770448), (8, 2457981530), (10, 1966385224), (16, 1228990765), (20, 983192612), (40, 491596306), (53, 371016080), (80, 245798153), (89, 220942160), (106, 185508040), (107, 183774320), (178, 110471080), (212, 92754020), (214, 91887160), (265, 74203216), (356, 55235540), (424, 46377010), (428, 45943580), (445, 44188432), (487, 40377520), (530, 37101608), (535, 36754864), (712, 27617770), (848, 23188505), (856, 22971790), (890, 22094216), (974, 20188760), (1060, 18550804), (1070, 18377432), (1424, 13808885), (1712, 11485895), (1780, 11047108), (1948, 10094380), (2120, 9275402), (2140, 9188716), (2435, 8075504), (3560, 5523554), (3896, 5047190), (4240, 4637701), (4280, 4594358), (4717, 4168720), (4870, 4037752), (5671, 3467440), (7120, 2761777), (7792, 2523595), (8560, 2297179), (9434, 2084360), (9523, 2064880), (9740, 2018876), (11342, 1733720), (18868, 1042180), (19046, 1032440), (19480, 1009438), (22684, 866860), (23585, 833744), (25811, 761840), (28355, 693488), (37736, 521090), (38092, 516220), (38960, 504719), (43343, 453680), (45368, 433430), (47170, 416872), (47615, 412976), (51622, 380920), (52109, 377360), (56710, 346744), (75472, 260545), (76184, 258110), (86686, 226840), (90736, 216715), (94340, 208436), (95230, 206488), (103244, 190460), (104218, 188680), (113420, 173372), (129055, 152368)]