89990375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 118654848

約数和(自身を除く): 28664473

約数列:

[1, 5, 23, 25, 113, 115, 125, 277, 565, 575, 1385, 2599, 2825, 2875, 6371, 6925, 12995, 14125, 31301, 31855, 34625, 64975, 156505, 159275, 324875, 719923, 782525, 796375, 3599615, 3912625, 17998075, 89990375]

約数ペア:

[(1, 89990375), (5, 17998075), (23, 3912625), (25, 3599615), (113, 796375), (115, 782525), (125, 719923), (277, 324875), (565, 159275), (575, 156505), (1385, 64975), (2599, 34625), (2825, 31855), (2875, 31301), (6371, 14125), (6925, 12995)]