1310480

素因数分解:

$2^4\times 5^1\times {\mathrm{16381}}^1$

素因数の和:16394

約数の個数: 20

約数和(自身を含む): 3047052

約数和(自身を除く): 1736572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16381, 32762, 65524, 81905, 131048, 163810, 262096, 327620, 655240, 1310480]

約数ペア:

[(1, 1310480), (2, 655240), (4, 327620), (5, 262096), (8, 163810), (10, 131048), (16, 81905), (20, 65524), (40, 32762), (80, 16381)]