51483380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198013}}^1$

素因数の和:198035

約数の個数: 24

約数和(自身を含む): 116432232

約数和(自身を除く): 64948852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198013, 396026, 792052, 990065, 1980130, 2574169, 3960260, 5148338, 10296676, 12870845, 25741690, 51483380]

約数ペア:

[(1, 51483380), (2, 25741690), (4, 12870845), (5, 10296676), (10, 5148338), (13, 3960260), (20, 2574169), (26, 1980130), (52, 990065), (65, 792052), (130, 396026), (260, 198013)]