65020960

素因数分解:

$2^5\times 5^1\times {\mathrm{406381}}^1$

素因数の和:406396

約数の個数: 24

約数和(自身を含む): 153612396

約数和(自身を除く): 88591436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 406381, 812762, 1625524, 2031905, 3251048, 4063810, 6502096, 8127620, 13004192, 16255240, 32510480, 65020960]

約数ペア:

[(1, 65020960), (2, 32510480), (4, 16255240), (5, 13004192), (8, 8127620), (10, 6502096), (16, 4063810), (20, 3251048), (32, 2031905), (40, 1625524), (80, 812762), (160, 406381)]