520065130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{26849}}^1$

素因数の和:27018

約数の個数: 32

約数和(自身を含む): 1014930000

約数和(自身を除く): 494864870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 19370, 26849, 53698, 134245, 268490, 349037, 698074, 1745185, 3490370, 4000501, 8001002, 20002505, 40005010, 52006513, 104013026, 260032565, 520065130]

約数ペア:

[(1, 520065130), (2, 260032565), (5, 104013026), (10, 52006513), (13, 40005010), (26, 20002505), (65, 8001002), (130, 4000501), (149, 3490370), (298, 1745185), (745, 698074), (1490, 349037), (1937, 268490), (3874, 134245), (9685, 53698), (19370, 26849)]