51261820

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2789}}^1$

素因数の和:3717

約数の個数: 24

約数和(自身を含む): 107805600

約数和(自身を除く): 56543780

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 2789, 3676, 4595, 5578, 9190, 11156, 13945, 18380, 27890, 55780, 2563091, 5126182, 10252364, 12815455, 25630910, 51261820]

約数ペア:

[(1, 51261820), (2, 25630910), (4, 12815455), (5, 10252364), (10, 5126182), (20, 2563091), (919, 55780), (1838, 27890), (2789, 18380), (3676, 13945), (4595, 11156), (5578, 9190)]