25866620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99487}}^1$

素因数の和:99509

約数の個数: 24

約数和(自身を含む): 58498944

約数和(自身を除く): 32632324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99487, 198974, 397948, 497435, 994870, 1293331, 1989740, 2586662, 5173324, 6466655, 12933310, 25866620]

約数ペア:

[(1, 25866620), (2, 12933310), (4, 6466655), (5, 5173324), (10, 2586662), (13, 1989740), (20, 1293331), (26, 994870), (52, 497435), (65, 397948), (130, 198974), (260, 99487)]