261642020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{568787}}^1$

素因数の和:568819

約数の個数: 24

約数和(自身を含む): 573338304

約数和(自身を除く): 311696284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 568787, 1137574, 2275148, 2843935, 5687870, 11375740, 13082101, 26164202, 52328404, 65410505, 130821010, 261642020]

約数ペア:

[(1, 261642020), (2, 130821010), (4, 65410505), (5, 52328404), (10, 26164202), (20, 13082101), (23, 11375740), (46, 5687870), (92, 2843935), (115, 2275148), (230, 1137574), (460, 568787)]