8991460

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{971}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 18942336

約数和(自身を除く): 9950876

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 971, 1852, 1942, 2315, 3884, 4630, 4855, 9260, 9710, 19420, 449573, 899146, 1798292, 2247865, 4495730, 8991460]

約数ペア:

[(1, 8991460), (2, 4495730), (4, 2247865), (5, 1798292), (10, 899146), (20, 449573), (463, 19420), (926, 9710), (971, 9260), (1852, 4855), (1942, 4630), (2315, 3884)]