810485680

素因数分解:

$2^4\times 5^1\times {\mathrm{10131071}}^1$

素因数の和:10131084

約数の個数: 20

約数和(自身を含む): 1884379392

約数和(自身を除く): 1073893712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10131071, 20262142, 40524284, 50655355, 81048568, 101310710, 162097136, 202621420, 405242840, 810485680]

約数ペア:

[(1, 810485680), (2, 405242840), (4, 202621420), (5, 162097136), (8, 101310710), (10, 81048568), (16, 50655355), (20, 40524284), (40, 20262142), (80, 10131071)]