65575240

素因数分解:

$2^3\times 5^1\times {\mathrm{1639381}}^1$

素因数の和:1639392

約数の個数: 16

約数和(自身を含む): 147544380

約数和(自身を除く): 81969140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1639381, 3278762, 6557524, 8196905, 13115048, 16393810, 32787620, 65575240]

約数ペア:

[(1, 65575240), (2, 32787620), (4, 16393810), (5, 13115048), (8, 8196905), (10, 6557524), (20, 3278762), (40, 1639381)]