28934980

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2137}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 60881688

約数和(自身を除く): 31946708

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2137, 2708, 3385, 4274, 6770, 8548, 10685, 13540, 21370, 42740, 1446749, 2893498, 5786996, 7233745, 14467490, 28934980]

約数ペア:

[(1, 28934980), (2, 14467490), (4, 7233745), (5, 5786996), (10, 2893498), (20, 1446749), (677, 42740), (1354, 21370), (2137, 13540), (2708, 10685), (3385, 8548), (4274, 6770)]