55486820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{45481}}^1$

素因数の和:45551

約数の個数: 24

約数和(自身を含む): 118435128

約数和(自身を除く): 62948308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 45481, 90962, 181924, 227405, 454810, 909620, 2774341, 5548682, 11097364, 13871705, 27743410, 55486820]

約数ペア:

[(1, 55486820), (2, 27743410), (4, 13871705), (5, 11097364), (10, 5548682), (20, 2774341), (61, 909620), (122, 454810), (244, 227405), (305, 181924), (610, 90962), (1220, 45481)]