28361125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 39416832

約数和(自身を除く): 11055707

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 563, 775, 1625, 2015, 2815, 3875, 7319, 10075, 14075, 17453, 36595, 50375, 70375, 87265, 182975, 226889, 436325, 914875, 1134445, 2181625, 5672225, 28361125]

約数ペア:

[(1, 28361125), (5, 5672225), (13, 2181625), (25, 1134445), (31, 914875), (65, 436325), (125, 226889), (155, 182975), (325, 87265), (403, 70375), (563, 50375), (775, 36595), (1625, 17453), (2015, 14075), (2815, 10075), (3875, 7319)]