55205780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{394327}}^1$

素因数の和:394343

約数の個数: 24

約数和(自身を含む): 132494208

約数和(自身を除く): 77288428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 394327, 788654, 1577308, 1971635, 2760289, 3943270, 5520578, 7886540, 11041156, 13801445, 27602890, 55205780]

約数ペア:

[(1, 55205780), (2, 27602890), (4, 13801445), (5, 11041156), (7, 7886540), (10, 5520578), (14, 3943270), (20, 2760289), (28, 1971635), (35, 1577308), (70, 788654), (140, 394327)]