40401880

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1867}}^1$

素因数の和:2419

約数の個数: 32

約数和(自身を含む): 91121040

約数和(自身を除く): 50719160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1867, 2164, 2705, 3734, 4328, 5410, 7468, 9335, 10820, 14936, 18670, 21640, 37340, 74680, 1010047, 2020094, 4040188, 5050235, 8080376, 10100470, 20200940, 40401880]

約数ペア:

[(1, 40401880), (2, 20200940), (4, 10100470), (5, 8080376), (8, 5050235), (10, 4040188), (20, 2020094), (40, 1010047), (541, 74680), (1082, 37340), (1867, 21640), (2164, 18670), (2705, 14936), (3734, 10820), (4328, 9335), (5410, 7468)]