42171460

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3259}}^1$

素因数の和:3915

約数の個数: 24

約数和(自身を含む): 88724160

約数和(自身を除く): 46552700

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 3259, 6470, 6518, 12940, 13036, 16295, 32590, 65180, 2108573, 4217146, 8434292, 10542865, 21085730, 42171460]

約数ペア:

[(1, 42171460), (2, 21085730), (4, 10542865), (5, 8434292), (10, 4217146), (20, 2108573), (647, 65180), (1294, 32590), (2588, 16295), (3235, 13036), (3259, 12940), (6470, 6518)]