68184580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{55889}}^1$

素因数の和:55959

約数の個数: 24

約数和(自身を含む): 145537560

約数和(自身を除く): 77352980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 55889, 111778, 223556, 279445, 558890, 1117780, 3409229, 6818458, 13636916, 17046145, 34092290, 68184580]

約数ペア:

[(1, 68184580), (2, 34092290), (4, 17046145), (5, 13636916), (10, 6818458), (20, 3409229), (61, 1117780), (122, 558890), (244, 279445), (305, 223556), (610, 111778), (1220, 55889)]