81237910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{7529}}^1$

素因数の和:7632

約数の個数: 32

約数和(自身を含む): 159395040

約数和(自身を除く): 78157130

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 5395, 7529, 10790, 15058, 37645, 75290, 97877, 195754, 489385, 624907, 978770, 1249814, 3124535, 6249070, 8123791, 16247582, 40618955, 81237910]

約数ペア:

[(1, 81237910), (2, 40618955), (5, 16247582), (10, 8123791), (13, 6249070), (26, 3124535), (65, 1249814), (83, 978770), (130, 624907), (166, 489385), (415, 195754), (830, 97877), (1079, 75290), (2158, 37645), (5395, 15058), (7529, 10790)]