81019216

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{10067}}^1$

素因数の和:10578

約数の個数: 20

約数和(自身を含む): 157302432

約数和(自身を除く): 76283216

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 10067, 20134, 40268, 80536, 161072, 5063701, 10127402, 20254804, 40509608, 81019216]

約数ペア:

[(1, 81019216), (2, 40509608), (4, 20254804), (8, 10127402), (16, 5063701), (503, 161072), (1006, 80536), (2012, 40268), (4024, 20134), (8048, 10067)]