40796440

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4493}}^1$

素因数の和:4731

約数の個数: 32

約数和(自身を含む): 92216880

約数和(自身を除く): 51420440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4493, 4540, 8986, 9080, 17972, 22465, 35944, 44930, 89860, 179720, 1019911, 2039822, 4079644, 5099555, 8159288, 10199110, 20398220, 40796440]

約数ペア:

[(1, 40796440), (2, 20398220), (4, 10199110), (5, 8159288), (8, 5099555), (10, 4079644), (20, 2039822), (40, 1019911), (227, 179720), (454, 89860), (908, 44930), (1135, 35944), (1816, 22465), (2270, 17972), (4493, 9080), (4540, 8986)]