90115870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53323}}^1$

素因数の和:53356

約数の個数: 24

約数和(自身を含む): 175649256

約数和(自身を除く): 85533386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 53323, 106646, 266615, 533230, 693199, 1386398, 3465995, 6931990, 9011587, 18023174, 45057935, 90115870]

約数ペア:

[(1, 90115870), (2, 45057935), (5, 18023174), (10, 9011587), (13, 6931990), (26, 3465995), (65, 1386398), (130, 693199), (169, 533230), (338, 266615), (845, 106646), (1690, 53323)]