61435240

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3467}}^1$

素因数の和:3921

約数の個数: 32

約数和(自身を含む): 138581280

約数和(自身を除く): 77146040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3467, 3544, 4430, 6934, 8860, 13868, 17335, 17720, 27736, 34670, 69340, 138680, 1535881, 3071762, 6143524, 7679405, 12287048, 15358810, 30717620, 61435240]

約数ペア:

[(1, 61435240), (2, 30717620), (4, 15358810), (5, 12287048), (8, 7679405), (10, 6143524), (20, 3071762), (40, 1535881), (443, 138680), (886, 69340), (1772, 34670), (2215, 27736), (3467, 17720), (3544, 17335), (4430, 13868), (6934, 8860)]