57764920

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4091}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 130371120

約数和(自身を除く): 72606200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 4091, 7060, 8182, 14120, 16364, 20455, 32728, 40910, 81820, 163640, 1444123, 2888246, 5776492, 7220615, 11552984, 14441230, 28882460, 57764920]

約数ペア:

[(1, 57764920), (2, 28882460), (4, 14441230), (5, 11552984), (8, 7220615), (10, 5776492), (20, 2888246), (40, 1444123), (353, 163640), (706, 81820), (1412, 40910), (1765, 32728), (2824, 20455), (3530, 16364), (4091, 14120), (7060, 8182)]