22856860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87911}}^1$

素因数の和:87933

約数の個数: 24

約数和(自身を含む): 51692256

約数和(自身を除く): 28835396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 87911, 175822, 351644, 439555, 879110, 1142843, 1758220, 2285686, 4571372, 5714215, 11428430, 22856860]

約数ペア:

[(1, 22856860), (2, 11428430), (4, 5714215), (5, 4571372), (10, 2285686), (13, 1758220), (20, 1142843), (26, 879110), (52, 439555), (65, 351644), (130, 175822), (260, 87911)]