20137545650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{23333}}^1$

素因数の和:23807

約数の個数: 48

約数和(自身を含む): 38462178888

約数和(自身を除く): 18324633238

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 421, 842, 1025, 2050, 2105, 4210, 10525, 17261, 21050, 23333, 34522, 46666, 86305, 116665, 172610, 233330, 431525, 583325, 863050, 956653, 1166650, 1913306, 4783265, 9566530, 9823193, 19646386, 23916325, 47832650, 49115965, 98231930, 245579825, 402750913, 491159650, 805501826, 2013754565, 4027509130, 10068772825, 20137545650]

約数ペア:

[(1, 20137545650), (2, 10068772825), (5, 4027509130), (10, 2013754565), (25, 805501826), (41, 491159650), (50, 402750913), (82, 245579825), (205, 98231930), (410, 49115965), (421, 47832650), (842, 23916325), (1025, 19646386), (2050, 9823193), (2105, 9566530), (4210, 4783265), (10525, 1913306), (17261, 1166650), (21050, 956653), (23333, 863050), (34522, 583325), (46666, 431525), (86305, 233330), (116665, 172610)]