839528020

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{68477}}^1$

素因数の和:69099

約数の個数: 24

約数和(自身を含む): 1765910664

約数和(自身を除く): 926382644

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 12260, 68477, 136954, 273908, 342385, 684770, 1369540, 41976401, 83952802, 167905604, 209882005, 419764010, 839528020]

約数ペア:

[(1, 839528020), (2, 419764010), (4, 209882005), (5, 167905604), (10, 83952802), (20, 41976401), (613, 1369540), (1226, 684770), (2452, 342385), (3065, 273908), (6130, 136954), (12260, 68477)]