8467120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 19887120

約数和(自身を除く): 11420000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 971, 1090, 1744, 1942, 2180, 3884, 4360, 4855, 7768, 8720, 9710, 15536, 19420, 38840, 77680, 105839, 211678, 423356, 529195, 846712, 1058390, 1693424, 2116780, 4233560, 8467120]

約数ペア:

[(1, 8467120), (2, 4233560), (4, 2116780), (5, 1693424), (8, 1058390), (10, 846712), (16, 529195), (20, 423356), (40, 211678), (80, 105839), (109, 77680), (218, 38840), (436, 19420), (545, 15536), (872, 9710), (971, 8720), (1090, 7768), (1744, 4855), (1942, 4360), (2180, 3884)]