13123240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25237}}^1$

素因数の和:25261

約数の個数: 32

約数和(自身を含む): 31799880

約数和(自身を除く): 18676640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25237, 50474, 100948, 126185, 201896, 252370, 328081, 504740, 656162, 1009480, 1312324, 1640405, 2624648, 3280810, 6561620, 13123240]

約数ペア:

[(1, 13123240), (2, 6561620), (4, 3280810), (5, 2624648), (8, 1640405), (10, 1312324), (13, 1009480), (20, 656162), (26, 504740), (40, 328081), (52, 252370), (65, 201896), (104, 126185), (130, 100948), (260, 50474), (520, 25237)]