16571120

素因数分解:

$2^4\times 5^1\times {\mathrm{207139}}^1$

素因数の和:207152

約数の個数: 20

約数和(自身を含む): 38528040

約数和(自身を除く): 21956920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 207139, 414278, 828556, 1035695, 1657112, 2071390, 3314224, 4142780, 8285560, 16571120]

約数ペア:

[(1, 16571120), (2, 8285560), (4, 4142780), (5, 3314224), (8, 2071390), (10, 1657112), (16, 1035695), (20, 828556), (40, 414278), (80, 207139)]