8981480

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1487}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 20355840

約数和(自身を除く): 11374360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1487, 1510, 2974, 3020, 5948, 6040, 7435, 11896, 14870, 29740, 59480, 224537, 449074, 898148, 1122685, 1796296, 2245370, 4490740, 8981480]

約数ペア:

[(1, 8981480), (2, 4490740), (4, 2245370), (5, 1796296), (8, 1122685), (10, 898148), (20, 449074), (40, 224537), (151, 59480), (302, 29740), (604, 14870), (755, 11896), (1208, 7435), (1487, 6040), (1510, 5948), (2974, 3020)]