28459943080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2\times {\mathrm{1423}}^1$

素因数の和:1719

約数の個数: 96

約数和(自身を含む): 66671907840

約数和(自身を除く): 38211964760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 1423, 2540, 2846, 3937, 5080, 5692, 7115, 7874, 11384, 14230, 15748, 16129, 19685, 28460, 31496, 32258, 39370, 44113, 56920, 64516, 78740, 80645, 88226, 129032, 157480, 161290, 176452, 180721, 220565, 322580, 352904, 361442, 441130, 499999, 645160, 722884, 882260, 903605, 999998, 1445768, 1764520, 1807210, 1999996, 2499995, 3614420, 3999992, 4999990, 5602351, 7228840, 9999980, 11204702, 19999960, 22409404, 22951567, 28011755, 44818808, 45903134, 56023510, 91806268, 112047020, 114757835, 183612536, 224094040, 229515670, 459031340, 711498577, 918062680, 1422997154, 2845994308, 3557492885, 5691988616, 7114985770, 14229971540, 28459943080]

約数ペア:

[(1, 28459943080), (2, 14229971540), (4, 7114985770), (5, 5691988616), (8, 3557492885), (10, 2845994308), (20, 1422997154), (31, 918062680), (40, 711498577), (62, 459031340), (124, 229515670), (127, 224094040), (155, 183612536), (248, 114757835), (254, 112047020), (310, 91806268), (508, 56023510), (620, 45903134), (635, 44818808), (1016, 28011755), (1240, 22951567), (1270, 22409404), (1423, 19999960), (2540, 11204702), (2846, 9999980), (3937, 7228840), (5080, 5602351), (5692, 4999990), (7115, 3999992), (7874, 3614420), (11384, 2499995), (14230, 1999996), (15748, 1807210), (16129, 1764520), (19685, 1445768), (28460, 999998), (31496, 903605), (32258, 882260), (39370, 722884), (44113, 645160), (56920, 499999), (64516, 441130), (78740, 361442), (80645, 352904), (88226, 322580), (129032, 220565), (157480, 180721), (161290, 176452)]