201755920

素因数分解:

$2^4\times 5^1\times {\mathrm{2521949}}^1$

素因数の和:2521962

約数の個数: 20

約数和(自身を含む): 469082700

約数和(自身を除く): 267326780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521949, 5043898, 10087796, 12609745, 20175592, 25219490, 40351184, 50438980, 100877960, 201755920]

約数ペア:

[(1, 201755920), (2, 100877960), (4, 50438980), (5, 40351184), (8, 25219490), (10, 20175592), (16, 12609745), (20, 10087796), (40, 5043898), (80, 2521949)]