1118871440

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{21751}}^1$

素因数の和:22407

約数の個数: 40

約数和(自身を含む): 2605541568

約数和(自身を除く): 1486670128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 5144, 6430, 10288, 12860, 21751, 25720, 43502, 51440, 87004, 108755, 174008, 217510, 348016, 435020, 870040, 1740080, 13985893, 27971786, 55943572, 69929465, 111887144, 139858930, 223774288, 279717860, 559435720, 1118871440]

約数ペア:

[(1, 1118871440), (2, 559435720), (4, 279717860), (5, 223774288), (8, 139858930), (10, 111887144), (16, 69929465), (20, 55943572), (40, 27971786), (80, 13985893), (643, 1740080), (1286, 870040), (2572, 435020), (3215, 348016), (5144, 217510), (6430, 174008), (10288, 108755), (12860, 87004), (21751, 51440), (25720, 43502)]