81014768

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{20173}}^1$

素因数の和:20432

約数の個数: 20

約数和(自身を含む): 157599288

約数和(自身を除く): 76584520

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 20173, 40346, 80692, 161384, 322768, 5063423, 10126846, 20253692, 40507384, 81014768]

約数ペア:

[(1, 81014768), (2, 40507384), (4, 20253692), (8, 10126846), (16, 5063423), (251, 322768), (502, 161384), (1004, 80692), (2008, 40346), (4016, 20173)]