870895240

素因数分解:

$2^3\times 5^1\times {\mathrm{21772381}}^1$

素因数の和:21772392

約数の個数: 16

約数和(自身を含む): 1959514380

約数和(自身を除く): 1088619140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21772381, 43544762, 87089524, 108861905, 174179048, 217723810, 435447620, 870895240]

約数ペア:

[(1, 870895240), (2, 435447620), (4, 217723810), (5, 174179048), (8, 108861905), (10, 87089524), (20, 43544762), (40, 21772381)]