13489100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3137}}^1$

素因数の和:3194

約数の個数: 36

約数和(自身を含む): 29961624

約数和(自身を除く): 16472524

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 3137, 4300, 6274, 12548, 15685, 31370, 62740, 78425, 134891, 156850, 269782, 313700, 539564, 674455, 1348910, 2697820, 3372275, 6744550, 13489100]

約数ペア:

[(1, 13489100), (2, 6744550), (4, 3372275), (5, 2697820), (10, 1348910), (20, 674455), (25, 539564), (43, 313700), (50, 269782), (86, 156850), (100, 134891), (172, 78425), (215, 62740), (430, 31370), (860, 15685), (1075, 12548), (2150, 6274), (3137, 4300)]