2566180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 5564160

約数和(自身を除く): 2997980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4139, 8278, 16556, 20695, 41390, 82780, 128309, 256618, 513236, 641545, 1283090, 2566180]

約数ペア:

[(1, 2566180), (2, 1283090), (4, 641545), (5, 513236), (10, 256618), (20, 128309), (31, 82780), (62, 41390), (124, 20695), (155, 16556), (310, 8278), (620, 4139)]