221446360

素因数分解:

$2^3\times 5^1\times {\mathrm{5536159}}^1$

素因数の和:5536170

約数の個数: 16

約数和(自身を含む): 498254400

約数和(自身を除く): 276808040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5536159, 11072318, 22144636, 27680795, 44289272, 55361590, 110723180, 221446360]

約数ペア:

[(1, 221446360), (2, 110723180), (4, 55361590), (5, 44289272), (8, 27680795), (10, 22144636), (20, 11072318), (40, 5536159)]