20283250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 41415192

約数和(自身を除く): 21131942

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 125, 130, 158, 250, 325, 395, 650, 790, 1027, 1625, 1975, 2054, 3250, 3950, 5135, 6241, 9875, 10270, 12482, 19750, 25675, 31205, 51350, 62410, 81133, 128375, 156025, 162266, 256750, 312050, 405665, 780125, 811330, 1560250, 2028325, 4056650, 10141625, 20283250]

約数ペア:

[(1, 20283250), (2, 10141625), (5, 4056650), (10, 2028325), (13, 1560250), (25, 811330), (26, 780125), (50, 405665), (65, 312050), (79, 256750), (125, 162266), (130, 156025), (158, 128375), (250, 81133), (325, 62410), (395, 51350), (650, 31205), (790, 25675), (1027, 19750), (1625, 12482), (1975, 10270), (2054, 9875), (3250, 6241), (3950, 5135)]