123528620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{27697}}^1$

素因数の和:27929

約数の個数: 24

約数和(自身を含む): 260582784

約数和(自身を除く): 137054164

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 27697, 55394, 110788, 138485, 276970, 553940, 6176431, 12352862, 24705724, 30882155, 61764310, 123528620]

約数ペア:

[(1, 123528620), (2, 61764310), (4, 30882155), (5, 24705724), (10, 12352862), (20, 6176431), (223, 553940), (446, 276970), (892, 138485), (1115, 110788), (2230, 55394), (4460, 27697)]