2040984100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{497801}}^1$

素因数の和:497856

約数の個数: 36

約数和(自身を含む): 4536967428

約数和(自身を除く): 2495983328

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 497801, 995602, 1991204, 2489005, 4978010, 9956020, 12445025, 20409841, 24890050, 40819682, 49780100, 81639364, 102049205, 204098410, 408196820, 510246025, 1020492050, 2040984100]

約数ペア:

[(1, 2040984100), (2, 1020492050), (4, 510246025), (5, 408196820), (10, 204098410), (20, 102049205), (25, 81639364), (41, 49780100), (50, 40819682), (82, 24890050), (100, 20409841), (164, 12445025), (205, 9956020), (410, 4978010), (820, 2489005), (1025, 1991204), (2050, 995602), (4100, 497801)]