80244020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{93307}}^1$

素因数の和:93359

約数の個数: 24

約数和(自身を含む): 172433184

約数和(自身を除く): 92189164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 93307, 186614, 373228, 466535, 933070, 1866140, 4012201, 8024402, 16048804, 20061005, 40122010, 80244020]

約数ペア:

[(1, 80244020), (2, 40122010), (4, 20061005), (5, 16048804), (10, 8024402), (20, 4012201), (43, 1866140), (86, 933070), (172, 466535), (215, 373228), (430, 186614), (860, 93307)]