80643048100

素因数分解:

$2^2\times 5^2\times {\mathrm{806430481}}^1$

素因数の和:806430495

約数の個数: 18

約数和(自身を含む): 174995414594

約数和(自身を除く): 94352366494

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 806430481, 1612860962, 3225721924, 4032152405, 8064304810, 16128609620, 20160762025, 40321524050, 80643048100]

約数ペア:

[(1, 80643048100), (2, 40321524050), (4, 20160762025), (5, 16128609620), (10, 8064304810), (20, 4032152405), (25, 3225721924), (50, 1612860962), (100, 806430481)]