1325360

素因数分解:

$2^4\times 5^1\times {\mathrm{16567}}^1$

素因数の和:16580

約数の個数: 20

約数和(自身を含む): 3081648

約数和(自身を除く): 1756288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16567, 33134, 66268, 82835, 132536, 165670, 265072, 331340, 662680, 1325360]

約数ペア:

[(1, 1325360), (2, 662680), (4, 331340), (5, 265072), (8, 165670), (10, 132536), (16, 82835), (20, 66268), (40, 33134), (80, 16567)]