12365680

素因数分解:

$2^4\times 5^1\times {\mathrm{154571}}^1$

素因数の和:154584

約数の個数: 20

約数和(自身を含む): 28750392

約数和(自身を除く): 16384712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154571, 309142, 618284, 772855, 1236568, 1545710, 2473136, 3091420, 6182840, 12365680]

約数ペア:

[(1, 12365680), (2, 6182840), (4, 3091420), (5, 2473136), (8, 1545710), (10, 1236568), (16, 772855), (20, 618284), (40, 309142), (80, 154571)]