80131400

素因数分解:

$2^3\times 5^2\times {\mathrm{400657}}^1$

素因数の和:400673

約数の個数: 24

約数和(自身を含む): 186305970

約数和(自身を除く): 106174570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 400657, 801314, 1602628, 2003285, 3205256, 4006570, 8013140, 10016425, 16026280, 20032850, 40065700, 80131400]

約数ペア:

[(1, 80131400), (2, 40065700), (4, 20032850), (5, 16026280), (8, 10016425), (10, 8013140), (20, 4006570), (25, 3205256), (40, 2003285), (50, 1602628), (100, 801314), (200, 400657)]