80312290

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{73681}}^1$

素因数の和:73797

約数の個数: 16

約数和(自身を含む): 145890360

約数和(自身を除く): 65578070

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 73681, 147362, 368405, 736810, 8031229, 16062458, 40156145, 80312290]

約数ペア:

[(1, 80312290), (2, 40156145), (5, 16062458), (10, 8031229), (109, 736810), (218, 368405), (545, 147362), (1090, 73681)]