157220120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28277}}^1$

素因数の和:28427

約数の個数: 32

約数和(自身を含む): 356302800

約数和(自身を除く): 199082680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 28277, 56554, 113108, 141385, 226216, 282770, 565540, 1131080, 3930503, 7861006, 15722012, 19652515, 31444024, 39305030, 78610060, 157220120]

約数ペア:

[(1, 157220120), (2, 78610060), (4, 39305030), (5, 31444024), (8, 19652515), (10, 15722012), (20, 7861006), (40, 3930503), (139, 1131080), (278, 565540), (556, 282770), (695, 226216), (1112, 141385), (1390, 113108), (2780, 56554), (5560, 28277)]