195504560

素因数分解:

$2^4\times 5^1\times {\mathrm{2443807}}^1$

素因数の和:2443820

約数の個数: 20

約数和(自身を含む): 454548288

約数和(自身を除く): 259043728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2443807, 4887614, 9775228, 12219035, 19550456, 24438070, 39100912, 48876140, 97752280, 195504560]

約数ペア:

[(1, 195504560), (2, 97752280), (4, 48876140), (5, 39100912), (8, 24438070), (10, 19550456), (16, 12219035), (20, 9775228), (40, 4887614), (80, 2443807)]