2810620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1579}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 5972400

約数和(自身を除く): 3161780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1579, 1780, 3158, 6316, 7895, 15790, 31580, 140531, 281062, 562124, 702655, 1405310, 2810620]

約数ペア:

[(1, 2810620), (2, 1405310), (4, 702655), (5, 562124), (10, 281062), (20, 140531), (89, 31580), (178, 15790), (356, 7895), (445, 6316), (890, 3158), (1579, 1780)]