28756375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 38158848

約数和(自身を除く): 9402473

約数列:

[1, 5, 25, 31, 41, 125, 155, 181, 205, 775, 905, 1025, 1271, 3875, 4525, 5125, 5611, 6355, 7421, 22625, 28055, 31775, 37105, 140275, 158875, 185525, 230051, 701375, 927625, 1150255, 5751275, 28756375]

約数ペア:

[(1, 28756375), (5, 5751275), (25, 1150255), (31, 927625), (41, 701375), (125, 230051), (155, 185525), (181, 158875), (205, 140275), (775, 37105), (905, 31775), (1025, 28055), (1271, 22625), (3875, 7421), (4525, 6355), (5125, 5611)]