15515180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5581}}^1$

素因数の和:5729

約数の個数: 24

約数和(自身を含む): 32822160

約数和(自身を除く): 17306980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 5581, 11162, 22324, 27905, 55810, 111620, 775759, 1551518, 3103036, 3878795, 7757590, 15515180]

約数ペア:

[(1, 15515180), (2, 7757590), (4, 3878795), (5, 3103036), (10, 1551518), (20, 775759), (139, 111620), (278, 55810), (556, 27905), (695, 22324), (1390, 11162), (2780, 5581)]