28572940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11807}}^1$

素因数の和:11838

約数の個数: 36

約数和(自身を含む): 65959488

約数和(自身を除く): 37386548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11807, 23614, 47228, 59035, 118070, 129877, 236140, 259754, 519508, 649385, 1298770, 1428647, 2597540, 2857294, 5714588, 7143235, 14286470, 28572940]

約数ペア:

[(1, 28572940), (2, 14286470), (4, 7143235), (5, 5714588), (10, 2857294), (11, 2597540), (20, 1428647), (22, 1298770), (44, 649385), (55, 519508), (110, 259754), (121, 236140), (220, 129877), (242, 118070), (484, 59035), (605, 47228), (1210, 23614), (2420, 11807)]