138078040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47287}}^1$

素因数の和:47371

約数の個数: 32

約数和(自身を含む): 314938080

約数和(自身を除く): 176860040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 47287, 94574, 189148, 236435, 378296, 472870, 945740, 1891480, 3451951, 6903902, 13807804, 17259755, 27615608, 34519510, 69039020, 138078040]

約数ペア:

[(1, 138078040), (2, 69039020), (4, 34519510), (5, 27615608), (8, 17259755), (10, 13807804), (20, 6903902), (40, 3451951), (73, 1891480), (146, 945740), (292, 472870), (365, 378296), (584, 236435), (730, 189148), (1460, 94574), (2920, 47287)]