13503620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 30820608

約数和(自身を除く): 17316988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 311, 334, 622, 668, 835, 1244, 1555, 1670, 2171, 3110, 3340, 4043, 4342, 6220, 8086, 8684, 10855, 16172, 20215, 21710, 40430, 43420, 51937, 80860, 103874, 207748, 259685, 519370, 675181, 1038740, 1350362, 2700724, 3375905, 6751810, 13503620]

約数ペア:

[(1, 13503620), (2, 6751810), (4, 3375905), (5, 2700724), (10, 1350362), (13, 1038740), (20, 675181), (26, 519370), (52, 259685), (65, 207748), (130, 103874), (167, 80860), (260, 51937), (311, 43420), (334, 40430), (622, 21710), (668, 20215), (835, 16172), (1244, 10855), (1555, 8684), (1670, 8086), (2171, 6220), (3110, 4342), (3340, 4043)]