31449980

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1471}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 66151680

約数和(自身を除く): 34701700

約数列:

[1, 2, 4, 5, 10, 20, 1069, 1471, 2138, 2942, 4276, 5345, 5884, 7355, 10690, 14710, 21380, 29420, 1572499, 3144998, 6289996, 7862495, 15724990, 31449980]

約数ペア:

[(1, 31449980), (2, 15724990), (4, 7862495), (5, 6289996), (10, 3144998), (20, 1572499), (1069, 29420), (1471, 21380), (2138, 14710), (2942, 10690), (4276, 7355), (5345, 5884)]