55998980

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3461}}^1$

素因数の和:4279

約数の個数: 24

約数和(自身を含む): 117777240

約数和(自身を除く): 61778260

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 3461, 4045, 6922, 8090, 13844, 16180, 17305, 34610, 69220, 2799949, 5599898, 11199796, 13999745, 27999490, 55998980]

約数ペア:

[(1, 55998980), (2, 27999490), (4, 13999745), (5, 11199796), (10, 5599898), (20, 2799949), (809, 69220), (1618, 34610), (3236, 17305), (3461, 16180), (4045, 13844), (6922, 8090)]