129690760

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{3697}}^1$

素因数の和:4585

約数の個数: 32

約数和(自身を含む): 292215960

約数和(自身を除く): 162525200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1754, 3508, 3697, 4385, 7016, 7394, 8770, 14788, 17540, 18485, 29576, 35080, 36970, 73940, 147880, 3242269, 6484538, 12969076, 16211345, 25938152, 32422690, 64845380, 129690760]

約数ペア:

[(1, 129690760), (2, 64845380), (4, 32422690), (5, 25938152), (8, 16211345), (10, 12969076), (20, 6484538), (40, 3242269), (877, 147880), (1754, 73940), (3508, 36970), (3697, 35080), (4385, 29576), (7016, 18485), (7394, 17540), (8770, 14788)]