2820680

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 6402240

約数和(自身を除く): 3581560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 467, 604, 755, 934, 1208, 1510, 1868, 2335, 3020, 3736, 4670, 6040, 9340, 18680, 70517, 141034, 282068, 352585, 564136, 705170, 1410340, 2820680]

約数ペア:

[(1, 2820680), (2, 1410340), (4, 705170), (5, 564136), (8, 352585), (10, 282068), (20, 141034), (40, 70517), (151, 18680), (302, 9340), (467, 6040), (604, 4670), (755, 3736), (934, 3020), (1208, 2335), (1510, 1868)]