25829980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 59675616

約数和(自身を除く): 33845636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 857, 1370, 1507, 1714, 2740, 3014, 3428, 4285, 6028, 7535, 8570, 9427, 15070, 17140, 18854, 30140, 37708, 47135, 94270, 117409, 188540, 234818, 469636, 587045, 1174090, 1291499, 2348180, 2582998, 5165996, 6457495, 12914990, 25829980]

約数ペア:

[(1, 25829980), (2, 12914990), (4, 6457495), (5, 5165996), (10, 2582998), (11, 2348180), (20, 1291499), (22, 1174090), (44, 587045), (55, 469636), (110, 234818), (137, 188540), (220, 117409), (274, 94270), (548, 47135), (685, 37708), (857, 30140), (1370, 18854), (1507, 17140), (1714, 15070), (2740, 9427), (3014, 8570), (3428, 7535), (4285, 6028)]