8612840

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 19495080

約数和(自身を除く): 10882240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1093, 1576, 1970, 2186, 3940, 4372, 5465, 7880, 8744, 10930, 21860, 43720, 215321, 430642, 861284, 1076605, 1722568, 2153210, 4306420, 8612840]

約数ペア:

[(1, 8612840), (2, 4306420), (4, 2153210), (5, 1722568), (8, 1076605), (10, 861284), (20, 430642), (40, 215321), (197, 43720), (394, 21860), (788, 10930), (985, 8744), (1093, 7880), (1576, 5465), (1970, 4372), (2186, 3940)]