8612780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3559}}^1$

素因数の和:3590

約数の個数: 36

約数和(自身を含む): 19886160

約数和(自身を除く): 11273380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3559, 7118, 14236, 17795, 35590, 39149, 71180, 78298, 156596, 195745, 391490, 430639, 782980, 861278, 1722556, 2153195, 4306390, 8612780]

約数ペア:

[(1, 8612780), (2, 4306390), (4, 2153195), (5, 1722556), (10, 861278), (11, 782980), (20, 430639), (22, 391490), (44, 195745), (55, 156596), (110, 78298), (121, 71180), (220, 39149), (242, 35590), (484, 17795), (605, 14236), (1210, 7118), (2420, 3559)]