56842760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109313}}^1$

素因数の和:109337

約数の個数: 32

約数和(自身を含む): 137735640

約数和(自身を除く): 80892880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 109313, 218626, 437252, 546565, 874504, 1093130, 1421069, 2186260, 2842138, 4372520, 5684276, 7105345, 11368552, 14210690, 28421380, 56842760]

約数ペア:

[(1, 56842760), (2, 28421380), (4, 14210690), (5, 11368552), (8, 7105345), (10, 5684276), (13, 4372520), (20, 2842138), (26, 2186260), (40, 1421069), (52, 1093130), (65, 874504), (104, 546565), (130, 437252), (260, 218626), (520, 109313)]