210975280

素因数分解:

$2^4\times 5^1\times {\mathrm{2637191}}^1$

素因数の和:2637204

約数の個数: 20

約数和(自身を含む): 490517712

約数和(自身を除く): 279542432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2637191, 5274382, 10548764, 13185955, 21097528, 26371910, 42195056, 52743820, 105487640, 210975280]

約数ペア:

[(1, 210975280), (2, 105487640), (4, 52743820), (5, 42195056), (8, 26371910), (10, 21097528), (16, 13185955), (20, 10548764), (40, 5274382), (80, 2637191)]