25736180

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3209}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 54197640

約数和(自身を除く): 28461460

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 3209, 4010, 6418, 8020, 12836, 16045, 32090, 64180, 1286809, 2573618, 5147236, 6434045, 12868090, 25736180]

約数ペア:

[(1, 25736180), (2, 12868090), (4, 6434045), (5, 5147236), (10, 2573618), (20, 1286809), (401, 64180), (802, 32090), (1604, 16045), (2005, 12836), (3209, 8020), (4010, 6418)]