79871320

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6299}}^1$

素因数の和:6627

約数の個数: 32

約数和(自身を含む): 180306000

約数和(自身を除く): 100434680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6299, 6340, 12598, 12680, 25196, 31495, 50392, 62990, 125980, 251960, 1996783, 3993566, 7987132, 9983915, 15974264, 19967830, 39935660, 79871320]

約数ペア:

[(1, 79871320), (2, 39935660), (4, 19967830), (5, 15974264), (8, 9983915), (10, 7987132), (20, 3993566), (40, 1996783), (317, 251960), (634, 125980), (1268, 62990), (1585, 50392), (2536, 31495), (3170, 25196), (6299, 12680), (6340, 12598)]