39961420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68899}}^1$

素因数の和:68937

約数の個数: 24

約数和(自身を含む): 86814000

約数和(自身を除く): 46852580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 68899, 137798, 275596, 344495, 688990, 1377980, 1998071, 3996142, 7992284, 9990355, 19980710, 39961420]

約数ペア:

[(1, 39961420), (2, 19980710), (4, 9990355), (5, 7992284), (10, 3996142), (20, 1998071), (29, 1377980), (58, 688990), (116, 344495), (145, 275596), (290, 137798), (580, 68899)]