2080490875

素因数分解:

$5^3\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 2757815424

約数和(自身を除く): 677324549

約数列:

[1, 5, 23, 25, 73, 115, 125, 365, 431, 529, 575, 1679, 1825, 2155, 2645, 2875, 8395, 9125, 9913, 10775, 13225, 31463, 38617, 41975, 49565, 53875, 66125, 157315, 193085, 209875, 227999, 247825, 723649, 786575, 965425, 1139995, 1239125, 3618245, 3932875, 4827125, 5699975, 16643927, 18091225, 28499875, 83219635, 90456125, 416098175, 2080490875]

約数ペア:

[(1, 2080490875), (5, 416098175), (23, 90456125), (25, 83219635), (73, 28499875), (115, 18091225), (125, 16643927), (365, 5699975), (431, 4827125), (529, 3932875), (575, 3618245), (1679, 1239125), (1825, 1139995), (2155, 965425), (2645, 786575), (2875, 723649), (8395, 247825), (9125, 227999), (9913, 209875), (10775, 193085), (13225, 157315), (31463, 66125), (38617, 53875), (41975, 49565)]