85874128

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{21383}}^1$

素因数の和:21642

約数の個数: 20

約数和(自身を含む): 167051808

約数和(自身を除く): 81177680

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 21383, 42766, 85532, 171064, 342128, 5367133, 10734266, 21468532, 42937064, 85874128]

約数ペア:

[(1, 85874128), (2, 42937064), (4, 21468532), (8, 10734266), (16, 5367133), (251, 342128), (502, 171064), (1004, 85532), (2008, 42766), (4016, 21383)]