25530040

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3307}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 57757680

約数和(自身を除く): 32227640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3307, 3860, 6614, 7720, 13228, 16535, 26456, 33070, 66140, 132280, 638251, 1276502, 2553004, 3191255, 5106008, 6382510, 12765020, 25530040]

約数ペア:

[(1, 25530040), (2, 12765020), (4, 6382510), (5, 5106008), (8, 3191255), (10, 2553004), (20, 1276502), (40, 638251), (193, 132280), (386, 66140), (772, 33070), (965, 26456), (1544, 16535), (1930, 13228), (3307, 7720), (3860, 6614)]