25805200

素因数分解:

$2^4\times 5^2\times {\mathrm{64513}}^1$

素因数の和:64531

約数の個数: 30

約数和(自身を含む): 61997954

約数和(自身を除く): 36192754

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 64513, 129026, 258052, 322565, 516104, 645130, 1032208, 1290260, 1612825, 2580520, 3225650, 5161040, 6451300, 12902600, 25805200]

約数ペア:

[(1, 25805200), (2, 12902600), (4, 6451300), (5, 5161040), (8, 3225650), (10, 2580520), (16, 1612825), (20, 1290260), (25, 1032208), (40, 645130), (50, 516104), (80, 322565), (100, 258052), (200, 129026), (400, 64513)]