12645680

素因数分解:

$2^4\times 5^1\times {\mathrm{158071}}^1$

素因数の和:158084

約数の個数: 20

約数和(自身を含む): 29401392

約数和(自身を除く): 16755712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158071, 316142, 632284, 790355, 1264568, 1580710, 2529136, 3161420, 6322840, 12645680]

約数ペア:

[(1, 12645680), (2, 6322840), (4, 3161420), (5, 2529136), (8, 1580710), (10, 1264568), (16, 790355), (20, 632284), (40, 316142), (80, 158071)]