509968180180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4001}}^1\times {\mathrm{80671}}^1$

素因数の和:84760

約数の個数: 48

約数和(自身を含む): 1084773795840

約数和(自身を除く): 574805615660

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4001, 8002, 16004, 20005, 40010, 80020, 80671, 161342, 316079, 322684, 403355, 632158, 806710, 1264316, 1580395, 1613420, 3160790, 6321580, 6373009, 12746018, 25492036, 31865045, 63730090, 127460180, 322764671, 645529342, 1291058684, 1613823355, 3227646710, 6455293420, 25498409009, 50996818018, 101993636036, 127492045045, 254984090090, 509968180180]

約数ペア:

[(1, 509968180180), (2, 254984090090), (4, 127492045045), (5, 101993636036), (10, 50996818018), (20, 25498409009), (79, 6455293420), (158, 3227646710), (316, 1613823355), (395, 1291058684), (790, 645529342), (1580, 322764671), (4001, 127460180), (8002, 63730090), (16004, 31865045), (20005, 25492036), (40010, 12746018), (80020, 6373009), (80671, 6321580), (161342, 3160790), (316079, 1613420), (322684, 1580395), (403355, 1264316), (632158, 806710)]