54681340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390581}}^1$

素因数の和:390597

約数の個数: 24

約数和(自身を含む): 131235552

約数和(自身を除く): 76554212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390581, 781162, 1562324, 1952905, 2734067, 3905810, 5468134, 7811620, 10936268, 13670335, 27340670, 54681340]

約数ペア:

[(1, 54681340), (2, 27340670), (4, 13670335), (5, 10936268), (7, 7811620), (10, 5468134), (14, 3905810), (20, 2734067), (28, 1952905), (35, 1562324), (70, 781162), (140, 390581)]