28852780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131149}}^1$

素因数の和:131169

約数の個数: 24

約数和(自身を含む): 66099600

約数和(自身を除く): 37246820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 131149, 262298, 524596, 655745, 1311490, 1442639, 2622980, 2885278, 5770556, 7213195, 14426390, 28852780]

約数ペア:

[(1, 28852780), (2, 14426390), (4, 7213195), (5, 5770556), (10, 2885278), (11, 2622980), (20, 1442639), (22, 1311490), (44, 655745), (55, 524596), (110, 262298), (220, 131149)]