25015240

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1451}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 56453760

約数和(自身を除く): 31438520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1451, 1724, 2155, 2902, 3448, 4310, 5804, 7255, 8620, 11608, 14510, 17240, 29020, 58040, 625381, 1250762, 2501524, 3126905, 5003048, 6253810, 12507620, 25015240]

約数ペア:

[(1, 25015240), (2, 12507620), (4, 6253810), (5, 5003048), (8, 3126905), (10, 2501524), (20, 1250762), (40, 625381), (431, 58040), (862, 29020), (1451, 17240), (1724, 14510), (2155, 11608), (2902, 8620), (3448, 7255), (4310, 5804)]