196620920

素因数分解:

$2^3\times 5^1\times {\mathrm{4915523}}^1$

素因数の和:4915534

約数の個数: 16

約数和(自身を含む): 442397160

約数和(自身を除く): 245776240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4915523, 9831046, 19662092, 24577615, 39324184, 49155230, 98310460, 196620920]

約数ペア:

[(1, 196620920), (2, 98310460), (4, 49155230), (5, 39324184), (8, 24577615), (10, 19662092), (20, 9831046), (40, 4915523)]