17875120

素因数分解:

$2^4\times 5^1\times {\mathrm{223439}}^1$

素因数の和:223452

約数の個数: 20

約数和(自身を含む): 41559840

約数和(自身を除く): 23684720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223439, 446878, 893756, 1117195, 1787512, 2234390, 3575024, 4468780, 8937560, 17875120]

約数ペア:

[(1, 17875120), (2, 8937560), (4, 4468780), (5, 3575024), (8, 2234390), (10, 1787512), (16, 1117195), (20, 893756), (40, 446878), (80, 223439)]