80040500

素因数分解:

$2^2\times 5^3\times {\mathrm{160081}}^1$

素因数の和:160100

約数の個数: 24

約数和(自身を含む): 174809544

約数和(自身を除く): 94769044

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 160081, 320162, 640324, 800405, 1600810, 3201620, 4002025, 8004050, 16008100, 20010125, 40020250, 80040500]

約数ペア:

[(1, 80040500), (2, 40020250), (4, 20010125), (5, 16008100), (10, 8004050), (20, 4002025), (25, 3201620), (50, 1600810), (100, 800405), (125, 640324), (250, 320162), (500, 160081)]