156939078680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28226453}}^1$

素因数の和:28226603

約数の個数: 32

約数和(自身を含む): 355653320400

約数和(自身を除く): 198714241720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 28226453, 56452906, 112905812, 141132265, 225811624, 282264530, 564529060, 1129058120, 3923476967, 7846953934, 15693907868, 19617384835, 31387815736, 39234769670, 78469539340, 156939078680]

約数ペア:

[(1, 156939078680), (2, 78469539340), (4, 39234769670), (5, 31387815736), (8, 19617384835), (10, 15693907868), (20, 7846953934), (40, 3923476967), (139, 1129058120), (278, 564529060), (556, 282264530), (695, 225811624), (1112, 141132265), (1390, 112905812), (2780, 56452906), (5560, 28226453)]