2013019025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1963921}}^1$

素因数の和:1963972

約数の個数: 12

約数和(自身を含む): 2557026444

約数和(自身を除く): 544007419

約数列:

[1, 5, 25, 41, 205, 1025, 1963921, 9819605, 49098025, 80520761, 402603805, 2013019025]

約数ペア:

[(1, 2013019025), (5, 402603805), (25, 80520761), (41, 49098025), (205, 9819605), (1025, 1963921)]