31873480

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1381}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 71891640

約数和(自身を除く): 40018160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 1154, 1381, 2308, 2762, 2885, 4616, 5524, 5770, 6905, 11048, 11540, 13810, 23080, 27620, 55240, 796837, 1593674, 3187348, 3984185, 6374696, 7968370, 15936740, 31873480]

約数ペア:

[(1, 31873480), (2, 15936740), (4, 7968370), (5, 6374696), (8, 3984185), (10, 3187348), (20, 1593674), (40, 796837), (577, 55240), (1154, 27620), (1381, 23080), (2308, 13810), (2762, 11540), (2885, 11048), (4616, 6905), (5524, 5770)]