78065240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177421}}^1$

素因数の和:177443

約数の個数: 32

約数和(自身を含む): 191615760

約数和(自身を除く): 113550520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 177421, 354842, 709684, 887105, 1419368, 1774210, 1951631, 3548420, 3903262, 7096840, 7806524, 9758155, 15613048, 19516310, 39032620, 78065240]

約数ペア:

[(1, 78065240), (2, 39032620), (4, 19516310), (5, 15613048), (8, 9758155), (10, 7806524), (11, 7096840), (20, 3903262), (22, 3548420), (40, 1951631), (44, 1774210), (55, 1419368), (88, 887105), (110, 709684), (220, 354842), (440, 177421)]