49392680

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1787}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 111356640

約数和(自身を除く): 61963960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 1787, 2764, 3455, 3574, 5528, 6910, 7148, 8935, 13820, 14296, 17870, 27640, 35740, 71480, 1234817, 2469634, 4939268, 6174085, 9878536, 12348170, 24696340, 49392680]

約数ペア:

[(1, 49392680), (2, 24696340), (4, 12348170), (5, 9878536), (8, 6174085), (10, 4939268), (20, 2469634), (40, 1234817), (691, 71480), (1382, 35740), (1787, 27640), (2764, 17870), (3455, 14296), (3574, 13820), (5528, 8935), (6910, 7148)]