30844040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12641}}^1$

素因数の和:12713

約数の個数: 32

約数和(自身を含む): 70542360

約数和(自身を除く): 39698320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12641, 25282, 50564, 63205, 101128, 126410, 252820, 505640, 771101, 1542202, 3084404, 3855505, 6168808, 7711010, 15422020, 30844040]

約数ペア:

[(1, 30844040), (2, 15422020), (4, 7711010), (5, 6168808), (8, 3855505), (10, 3084404), (20, 1542202), (40, 771101), (61, 505640), (122, 252820), (244, 126410), (305, 101128), (488, 63205), (610, 50564), (1220, 25282), (2440, 12641)]