13042760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7583}}^1$

素因数の和:7637

約数の個数: 32

約数和(自身を含む): 30032640

約数和(自身を除く): 16989880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7583, 15166, 30332, 37915, 60664, 75830, 151660, 303320, 326069, 652138, 1304276, 1630345, 2608552, 3260690, 6521380, 13042760]

約数ペア:

[(1, 13042760), (2, 6521380), (4, 3260690), (5, 2608552), (8, 1630345), (10, 1304276), (20, 652138), (40, 326069), (43, 303320), (86, 151660), (172, 75830), (215, 60664), (344, 37915), (430, 30332), (860, 15166), (1720, 7583)]