80866375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 107827200

約数和(自身を除く): 26960825

約数列:

[1, 5, 19, 25, 79, 95, 125, 395, 431, 475, 1501, 1975, 2155, 2375, 7505, 8189, 9875, 10775, 34049, 37525, 40945, 53875, 170245, 187625, 204725, 646931, 851225, 1023625, 3234655, 4256125, 16173275, 80866375]

約数ペア:

[(1, 80866375), (5, 16173275), (19, 4256125), (25, 3234655), (79, 1023625), (95, 851225), (125, 646931), (395, 204725), (431, 187625), (475, 170245), (1501, 53875), (1975, 40945), (2155, 37525), (2375, 34049), (7505, 10775), (8189, 9875)]