15724880

素因数分解:

$2^4\times 5^1\times {\mathrm{196561}}^1$

素因数の和:196574

約数の個数: 20

約数和(自身を含む): 36560532

約数和(自身を除く): 20835652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196561, 393122, 786244, 982805, 1572488, 1965610, 3144976, 3931220, 7862440, 15724880]

約数ペア:

[(1, 15724880), (2, 7862440), (4, 3931220), (5, 3144976), (8, 1965610), (10, 1572488), (16, 982805), (20, 786244), (40, 393122), (80, 196561)]