55289180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{45319}}^1$

素因数の和:45389

約数の個数: 24

約数和(自身を含む): 118013280

約数和(自身を除く): 62724100

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 45319, 90638, 181276, 226595, 453190, 906380, 2764459, 5528918, 11057836, 13822295, 27644590, 55289180]

約数ペア:

[(1, 55289180), (2, 27644590), (4, 13822295), (5, 11057836), (10, 5528918), (20, 2764459), (61, 906380), (122, 453190), (244, 226595), (305, 181276), (610, 90638), (1220, 45319)]