39715240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9109}}^1$

素因数の和:9229

約数の個数: 32

約数和(自身を含む): 90189000

約数和(自身を除く): 50473760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9109, 18218, 36436, 45545, 72872, 91090, 182180, 364360, 992881, 1985762, 3971524, 4964405, 7943048, 9928810, 19857620, 39715240]

約数ペア:

[(1, 39715240), (2, 19857620), (4, 9928810), (5, 7943048), (8, 4964405), (10, 3971524), (20, 1985762), (40, 992881), (109, 364360), (218, 182180), (436, 91090), (545, 72872), (872, 45545), (1090, 36436), (2180, 18218), (4360, 9109)]