15771860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60661}}^1$

素因数の和:60683

約数の個数: 24

約数和(自身を含む): 35669256

約数和(自身を除く): 19897396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60661, 121322, 242644, 303305, 606610, 788593, 1213220, 1577186, 3154372, 3942965, 7885930, 15771860]

約数ペア:

[(1, 15771860), (2, 7885930), (4, 3942965), (5, 3154372), (10, 1577186), (13, 1213220), (20, 788593), (26, 606610), (52, 303305), (65, 242644), (130, 121322), (260, 60661)]