8790198980

素因数分解:

$2^2\times 5^1\times {\mathrm{3323}}^1\times {\mathrm{132263}}^1$

素因数の和:135595

約数の個数: 24

約数和(自身を含む): 18465112512

約数和(自身を除く): 9674913532

約数列:

[1, 2, 4, 5, 10, 20, 3323, 6646, 13292, 16615, 33230, 66460, 132263, 264526, 529052, 661315, 1322630, 2645260, 439509949, 879019898, 1758039796, 2197549745, 4395099490, 8790198980]

約数ペア:

[(1, 8790198980), (2, 4395099490), (4, 2197549745), (5, 1758039796), (10, 879019898), (20, 439509949), (3323, 2645260), (6646, 1322630), (13292, 661315), (16615, 529052), (33230, 264526), (66460, 132263)]