28815350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{8117}}^1$

素因数の和:8200

約数の個数: 24

約数和(自身を含む): 54358128

約数和(自身を除く): 25542778

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 8117, 16234, 40585, 81170, 202925, 405850, 576307, 1152614, 2881535, 5763070, 14407675, 28815350]

約数ペア:

[(1, 28815350), (2, 14407675), (5, 5763070), (10, 2881535), (25, 1152614), (50, 576307), (71, 405850), (142, 202925), (355, 81170), (710, 40585), (1775, 16234), (3550, 8117)]