205764040

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{30803}}^1$

素因数の和:30981

約数の個数: 32

約数和(自身を含む): 465756480

約数和(自身を除く): 259992440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 30803, 61606, 123212, 154015, 246424, 308030, 616060, 1232120, 5144101, 10288202, 20576404, 25720505, 41152808, 51441010, 102882020, 205764040]

約数ペア:

[(1, 205764040), (2, 102882020), (4, 51441010), (5, 41152808), (8, 25720505), (10, 20576404), (20, 10288202), (40, 5144101), (167, 1232120), (334, 616060), (668, 308030), (835, 246424), (1336, 154015), (1670, 123212), (3340, 61606), (6680, 30803)]