40285870

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39887}}^1$

素因数の和:39995

約数の個数: 16

約数和(自身を含む): 73234368

約数和(自身を除く): 32948498

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 39887, 79774, 199435, 398870, 4028587, 8057174, 20142935, 40285870]

約数ペア:

[(1, 40285870), (2, 20142935), (5, 8057174), (10, 4028587), (101, 398870), (202, 199435), (505, 79774), (1010, 39887)]