8900980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40459}}^1$

素因数の和:40479

約数の個数: 24

約数和(自身を含む): 20391840

約数和(自身を除く): 11490860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 40459, 80918, 161836, 202295, 404590, 445049, 809180, 890098, 1780196, 2225245, 4450490, 8900980]

約数ペア:

[(1, 8900980), (2, 4450490), (4, 2225245), (5, 1780196), (10, 890098), (11, 809180), (20, 445049), (22, 404590), (44, 202295), (55, 161836), (110, 80918), (220, 40459)]