128529640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{44017}}^1$

素因数の和:44101

約数の個数: 32

約数和(自身を含む): 293159880

約数和(自身を除く): 164630240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 44017, 88034, 176068, 220085, 352136, 440170, 880340, 1760680, 3213241, 6426482, 12852964, 16066205, 25705928, 32132410, 64264820, 128529640]

約数ペア:

[(1, 128529640), (2, 64264820), (4, 32132410), (5, 25705928), (8, 16066205), (10, 12852964), (20, 6426482), (40, 3213241), (73, 1760680), (146, 880340), (292, 440170), (365, 352136), (584, 220085), (730, 176068), (1460, 88034), (2920, 44017)]