171077360

素因数分解:

$2^4\times 5^1\times {\mathrm{2138467}}^1$

素因数の和:2138480

約数の個数: 20

約数和(自身を含む): 397755048

約数和(自身を除く): 226677688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2138467, 4276934, 8553868, 10692335, 17107736, 21384670, 34215472, 42769340, 85538680, 171077360]

約数ペア:

[(1, 171077360), (2, 85538680), (4, 42769340), (5, 34215472), (8, 21384670), (10, 17107736), (16, 10692335), (20, 8553868), (40, 4276934), (80, 2138467)]