78733540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{38977}}^1$

素因数の和:39087

約数の個数: 24

約数和(自身を含む): 166981752

約数和(自身を除く): 88248212

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 38977, 77954, 155908, 194885, 389770, 779540, 3936677, 7873354, 15746708, 19683385, 39366770, 78733540]

約数ペア:

[(1, 78733540), (2, 39366770), (4, 19683385), (5, 15746708), (10, 7873354), (20, 3936677), (101, 779540), (202, 389770), (404, 194885), (505, 155908), (1010, 77954), (2020, 38977)]