7781020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29927}}^1$

素因数の和:29949

約数の個数: 24

約数和(自身を含む): 17597664

約数和(自身を除く): 9816644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 29927, 59854, 119708, 149635, 299270, 389051, 598540, 778102, 1556204, 1945255, 3890510, 7781020]

約数ペア:

[(1, 7781020), (2, 3890510), (4, 1945255), (5, 1556204), (10, 778102), (13, 598540), (20, 389051), (26, 299270), (52, 149635), (65, 119708), (130, 59854), (260, 29927)]