28924240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 41785520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 107, 109, 124, 155, 214, 218, 248, 310, 428, 436, 496, 535, 545, 620, 856, 872, 1070, 1090, 1240, 1712, 1744, 2140, 2180, 2480, 3317, 3379, 4280, 4360, 6634, 6758, 8560, 8720, 11663, 13268, 13516, 16585, 16895, 23326, 26536, 27032, 33170, 33790, 46652, 53072, 54064, 58315, 66340, 67580, 93304, 116630, 132680, 135160, 186608, 233260, 265360, 270320, 361553, 466520, 723106, 933040, 1446212, 1807765, 2892424, 3615530, 5784848, 7231060, 14462120, 28924240]

約数ペア:

[(1, 28924240), (2, 14462120), (4, 7231060), (5, 5784848), (8, 3615530), (10, 2892424), (16, 1807765), (20, 1446212), (31, 933040), (40, 723106), (62, 466520), (80, 361553), (107, 270320), (109, 265360), (124, 233260), (155, 186608), (214, 135160), (218, 132680), (248, 116630), (310, 93304), (428, 67580), (436, 66340), (496, 58315), (535, 54064), (545, 53072), (620, 46652), (856, 33790), (872, 33170), (1070, 27032), (1090, 26536), (1240, 23326), (1712, 16895), (1744, 16585), (2140, 13516), (2180, 13268), (2480, 11663), (3317, 8720), (3379, 8560), (4280, 6758), (4360, 6634)]