129660680

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{21467}}^1$

素因数の和:21629

約数の個数: 32

約数和(自身を含む): 293682240

約数和(自身を除く): 164021560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 21467, 42934, 85868, 107335, 171736, 214670, 429340, 858680, 3241517, 6483034, 12966068, 16207585, 25932136, 32415170, 64830340, 129660680]

約数ペア:

[(1, 129660680), (2, 64830340), (4, 32415170), (5, 25932136), (8, 16207585), (10, 12966068), (20, 6483034), (40, 3241517), (151, 858680), (302, 429340), (604, 214670), (755, 171736), (1208, 107335), (1510, 85868), (3020, 42934), (6040, 21467)]