1236880

素因数分解:

$2^4\times 5^1\times {\mathrm{15461}}^1$

素因数の和:15474

約数の個数: 20

約数和(自身を含む): 2875932

約数和(自身を除く): 1639052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15461, 30922, 61844, 77305, 123688, 154610, 247376, 309220, 618440, 1236880]

約数ペア:

[(1, 1236880), (2, 618440), (4, 309220), (5, 247376), (8, 154610), (10, 123688), (16, 77305), (20, 61844), (40, 30922), (80, 15461)]