40467320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3253}}^1$

素因数の和:3575

約数の個数: 32

約数和(自身を含む): 91372320

約数和(自身を除く): 50905000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 3253, 6220, 6506, 12440, 13012, 16265, 26024, 32530, 65060, 130120, 1011683, 2023366, 4046732, 5058415, 8093464, 10116830, 20233660, 40467320]

約数ペア:

[(1, 40467320), (2, 20233660), (4, 10116830), (5, 8093464), (8, 5058415), (10, 4046732), (20, 2023366), (40, 1011683), (311, 130120), (622, 65060), (1244, 32530), (1555, 26024), (2488, 16265), (3110, 13012), (3253, 12440), (6220, 6506)]