25890260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{859}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 59814720

約数和(自身を除く): 33924460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 859, 1370, 1507, 1718, 2740, 3014, 3436, 4295, 6028, 7535, 8590, 9449, 15070, 17180, 18898, 30140, 37796, 47245, 94490, 117683, 188980, 235366, 470732, 588415, 1176830, 1294513, 2353660, 2589026, 5178052, 6472565, 12945130, 25890260]

約数ペア:

[(1, 25890260), (2, 12945130), (4, 6472565), (5, 5178052), (10, 2589026), (11, 2353660), (20, 1294513), (22, 1176830), (44, 588415), (55, 470732), (110, 235366), (137, 188980), (220, 117683), (274, 94490), (548, 47245), (685, 37796), (859, 30140), (1370, 18898), (1507, 17180), (1718, 15070), (2740, 9449), (3014, 8590), (3436, 7535), (4295, 6028)]