6481840

素因数分解:

$2^4\times 5^1\times {\mathrm{81023}}^1$

素因数の和:81036

約数の個数: 20

約数和(自身を含む): 15070464

約数和(自身を除く): 8588624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81023, 162046, 324092, 405115, 648184, 810230, 1296368, 1620460, 3240920, 6481840]

約数ペア:

[(1, 6481840), (2, 3240920), (4, 1620460), (5, 1296368), (8, 810230), (10, 648184), (16, 405115), (20, 324092), (40, 162046), (80, 81023)]