1909909360

素因数分解:

$2^4\times 5^1\times {\mathrm{4391}}^1\times {\mathrm{5437}}^1$

素因数の和:9841

約数の個数: 40

約数和(自身を含む): 4442367456

約数和(自身を除く): 2532458096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4391, 5437, 8782, 10874, 17564, 21748, 21955, 27185, 35128, 43496, 43910, 54370, 70256, 86992, 87820, 108740, 175640, 217480, 351280, 434960, 23873867, 47747734, 95495468, 119369335, 190990936, 238738670, 381981872, 477477340, 954954680, 1909909360]

約数ペア:

[(1, 1909909360), (2, 954954680), (4, 477477340), (5, 381981872), (8, 238738670), (10, 190990936), (16, 119369335), (20, 95495468), (40, 47747734), (80, 23873867), (4391, 434960), (5437, 351280), (8782, 217480), (10874, 175640), (17564, 108740), (21748, 87820), (21955, 86992), (27185, 70256), (35128, 54370), (43496, 43910)]