40089905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{881}}^1$

素因数の和:1384

約数の個数: 16

約数和(自身を含む): 50803200

約数和(自身を除く): 10713295

約数列:

[1, 5, 19, 95, 479, 881, 2395, 4405, 9101, 16739, 45505, 83695, 421999, 2109995, 8017981, 40089905]

約数ペア:

[(1, 40089905), (5, 8017981), (19, 2109995), (95, 421999), (479, 83695), (881, 45505), (2395, 16739), (4405, 9101)]