51680330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397541}}^1$

素因数の和:397561

約数の個数: 16

約数和(自身を含む): 100180584

約数和(自身を除く): 48500254

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397541, 795082, 1987705, 3975410, 5168033, 10336066, 25840165, 51680330]

約数ペア:

[(1, 51680330), (2, 25840165), (5, 10336066), (10, 5168033), (13, 3975410), (26, 1987705), (65, 795082), (130, 397541)]