85470520

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8513}}^1$

素因数の和:8775

約数の個数: 32

約数和(自身を含む): 193097520

約数和(自身を除く): 107627000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 8513, 10040, 17026, 34052, 42565, 68104, 85130, 170260, 340520, 2136763, 4273526, 8547052, 10683815, 17094104, 21367630, 42735260, 85470520]

約数ペア:

[(1, 85470520), (2, 42735260), (4, 21367630), (5, 17094104), (8, 10683815), (10, 8547052), (20, 4273526), (40, 2136763), (251, 340520), (502, 170260), (1004, 85130), (1255, 68104), (2008, 42565), (2510, 34052), (5020, 17026), (8513, 10040)]