8162180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31393}}^1$

素因数の和:31415

約数の個数: 24

約数和(自身を含む): 18459672

約数和(自身を除く): 10297492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31393, 62786, 125572, 156965, 313930, 408109, 627860, 816218, 1632436, 2040545, 4081090, 8162180]

約数ペア:

[(1, 8162180), (2, 4081090), (4, 2040545), (5, 1632436), (10, 816218), (13, 627860), (20, 408109), (26, 313930), (52, 156965), (65, 125572), (130, 62786), (260, 31393)]