79628840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 104230360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 113, 158, 223, 226, 316, 395, 446, 452, 565, 632, 790, 892, 904, 1115, 1130, 1580, 1784, 2230, 2260, 3160, 4460, 4520, 8920, 8927, 17617, 17854, 25199, 35234, 35708, 44635, 50398, 70468, 71416, 88085, 89270, 100796, 125995, 140936, 176170, 178540, 201592, 251990, 352340, 357080, 503980, 704680, 1007960, 1990721, 3981442, 7962884, 9953605, 15925768, 19907210, 39814420, 79628840]

約数ペア:

[(1, 79628840), (2, 39814420), (4, 19907210), (5, 15925768), (8, 9953605), (10, 7962884), (20, 3981442), (40, 1990721), (79, 1007960), (113, 704680), (158, 503980), (223, 357080), (226, 352340), (316, 251990), (395, 201592), (446, 178540), (452, 176170), (565, 140936), (632, 125995), (790, 100796), (892, 89270), (904, 88085), (1115, 71416), (1130, 70468), (1580, 50398), (1784, 44635), (2230, 35708), (2260, 35234), (3160, 25199), (4460, 17854), (4520, 17617), (8920, 8927)]