66065140

素因数分解:

$2^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{2797}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 138903912

約数和(自身を除く): 72838772

約数列:

[1, 2, 4, 5, 10, 20, 1181, 2362, 2797, 4724, 5594, 5905, 11188, 11810, 13985, 23620, 27970, 55940, 3303257, 6606514, 13213028, 16516285, 33032570, 66065140]

約数ペア:

[(1, 66065140), (2, 33032570), (4, 16516285), (5, 13213028), (10, 6606514), (20, 3303257), (1181, 55940), (2362, 27970), (2797, 23620), (4724, 13985), (5594, 11810), (5905, 11188)]