8220250

素因数分解:

$2^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 15567552

約数和(自身を除く): 7347302

約数列:

[1, 2, 5, 10, 25, 50, 125, 131, 250, 251, 262, 502, 655, 1255, 1310, 2510, 3275, 6275, 6550, 12550, 16375, 31375, 32750, 32881, 62750, 65762, 164405, 328810, 822025, 1644050, 4110125, 8220250]

約数ペア:

[(1, 8220250), (2, 4110125), (5, 1644050), (10, 822025), (25, 328810), (50, 164405), (125, 65762), (131, 62750), (250, 32881), (251, 32750), (262, 31375), (502, 16375), (655, 12550), (1255, 6550), (1310, 6275), (2510, 3275)]