165710740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637349}}^1$

素因数の和:637371

約数の個数: 24

約数和(自身を含む): 374761800

約数和(自身を除く): 209051060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 637349, 1274698, 2549396, 3186745, 6373490, 8285537, 12746980, 16571074, 33142148, 41427685, 82855370, 165710740]

約数ペア:

[(1, 165710740), (2, 82855370), (4, 41427685), (5, 33142148), (10, 16571074), (13, 12746980), (20, 8285537), (26, 6373490), (52, 3186745), (65, 2549396), (130, 1274698), (260, 637349)]