40219210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39821}}^1$

素因数の和:39929

約数の個数: 16

約数和(自身を含む): 73113192

約数和(自身を除く): 32893982

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 39821, 79642, 199105, 398210, 4021921, 8043842, 20109605, 40219210]

約数ペア:

[(1, 40219210), (2, 20109605), (5, 8043842), (10, 4021921), (101, 398210), (202, 199105), (505, 79642), (1010, 39821)]