858956720

素因数分解:

$2^4\times 5^1\times {\mathrm{10736959}}^1$

素因数の和:10736972

約数の個数: 20

約数和(自身を含む): 1997074560

約数和(自身を除く): 1138117840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10736959, 21473918, 42947836, 53684795, 85895672, 107369590, 171791344, 214739180, 429478360, 858956720]

約数ペア:

[(1, 858956720), (2, 429478360), (4, 214739180), (5, 171791344), (8, 107369590), (10, 85895672), (16, 53684795), (20, 42947836), (40, 21473918), (80, 10736959)]