1295240

素因数分解:

$2^3\times 5^1\times {\mathrm{32381}}^1$

素因数の和:32392

約数の個数: 16

約数和(自身を含む): 2914380

約数和(自身を除く): 1619140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32381, 64762, 129524, 161905, 259048, 323810, 647620, 1295240]

約数ペア:

[(1, 1295240), (2, 647620), (4, 323810), (5, 259048), (8, 161905), (10, 129524), (20, 64762), (40, 32381)]