61202020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{278191}}^1$

素因数の和:278211

約数の個数: 24

約数和(自身を含む): 140208768

約数和(自身を除く): 79006748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 278191, 556382, 1112764, 1390955, 2781910, 3060101, 5563820, 6120202, 12240404, 15300505, 30601010, 61202020]

約数ペア:

[(1, 61202020), (2, 30601010), (4, 15300505), (5, 12240404), (10, 6120202), (11, 5563820), (20, 3060101), (22, 2781910), (44, 1390955), (55, 1112764), (110, 556382), (220, 278191)]