13105520

素因数分解:

$2^4\times 5^1\times {\mathrm{163819}}^1$

素因数の和:163832

約数の個数: 20

約数和(自身を含む): 30470520

約数和(自身を除く): 17365000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163819, 327638, 655276, 819095, 1310552, 1638190, 2621104, 3276380, 6552760, 13105520]

約数ペア:

[(1, 13105520), (2, 6552760), (4, 3276380), (5, 2621104), (8, 1638190), (10, 1310552), (16, 819095), (20, 655276), (40, 327638), (80, 163819)]