28480040

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2017}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 64293480

約数和(自身を除く): 35813440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2017, 2824, 3530, 4034, 7060, 8068, 10085, 14120, 16136, 20170, 40340, 80680, 712001, 1424002, 2848004, 3560005, 5696008, 7120010, 14240020, 28480040]

約数ペア:

[(1, 28480040), (2, 14240020), (4, 7120010), (5, 5696008), (8, 3560005), (10, 2848004), (20, 1424002), (40, 712001), (353, 80680), (706, 40340), (1412, 20170), (1765, 16136), (2017, 14120), (2824, 10085), (3530, 8068), (4034, 7060)]