51380030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{395231}}^1$

素因数の和:395251

約数の個数: 16

約数和(自身を含む): 99598464

約数和(自身を除く): 48218434

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 395231, 790462, 1976155, 3952310, 5138003, 10276006, 25690015, 51380030]

約数ペア:

[(1, 51380030), (2, 25690015), (5, 10276006), (10, 5138003), (13, 3952310), (26, 1976155), (65, 790462), (130, 395231)]