67128440

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7393}}^1$

素因数の和:7631

約数の個数: 32

約数和(自身を含む): 151724880

約数和(自身を除く): 84596440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7393, 9080, 14786, 29572, 36965, 59144, 73930, 147860, 295720, 1678211, 3356422, 6712844, 8391055, 13425688, 16782110, 33564220, 67128440]

約数ペア:

[(1, 67128440), (2, 33564220), (4, 16782110), (5, 13425688), (8, 8391055), (10, 6712844), (20, 3356422), (40, 1678211), (227, 295720), (454, 147860), (908, 73930), (1135, 59144), (1816, 36965), (2270, 29572), (4540, 14786), (7393, 9080)]