38868820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 84587328

約数和(自身を除く): 45718508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 443, 535, 820, 886, 1070, 1772, 2140, 2215, 4387, 4430, 8774, 8860, 17548, 18163, 21935, 36326, 43870, 47401, 72652, 87740, 90815, 94802, 181630, 189604, 237005, 363260, 474010, 948020, 1943441, 3886882, 7773764, 9717205, 19434410, 38868820]

約数ペア:

[(1, 38868820), (2, 19434410), (4, 9717205), (5, 7773764), (10, 3886882), (20, 1943441), (41, 948020), (82, 474010), (107, 363260), (164, 237005), (205, 189604), (214, 181630), (410, 94802), (428, 90815), (443, 87740), (535, 72652), (820, 47401), (886, 43870), (1070, 36326), (1772, 21935), (2140, 18163), (2215, 17548), (4387, 8860), (4430, 8774)]