1118804980

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{26177}}^1$

素因数の和:28323

約数の個数: 24

約数和(自身を含む): 2350679688

約数和(自身を除く): 1231874708

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 8548, 10685, 21370, 26177, 42740, 52354, 104708, 130885, 261770, 523540, 55940249, 111880498, 223760996, 279701245, 559402490, 1118804980]

約数ペア:

[(1, 1118804980), (2, 559402490), (4, 279701245), (5, 223760996), (10, 111880498), (20, 55940249), (2137, 523540), (4274, 261770), (8548, 130885), (10685, 104708), (21370, 52354), (26177, 42740)]