78725020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{32531}}^1$

素因数の和:32562

約数の個数: 36

約数和(自身を含む): 181723752

約数和(自身を除く): 102998732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 32531, 65062, 130124, 162655, 325310, 357841, 650620, 715682, 1431364, 1789205, 3578410, 3936251, 7156820, 7872502, 15745004, 19681255, 39362510, 78725020]

約数ペア:

[(1, 78725020), (2, 39362510), (4, 19681255), (5, 15745004), (10, 7872502), (11, 7156820), (20, 3936251), (22, 3578410), (44, 1789205), (55, 1431364), (110, 715682), (121, 650620), (220, 357841), (242, 325310), (484, 162655), (605, 130124), (1210, 65062), (2420, 32531)]