90641840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{10589}}^1$

素因数の和:10709

約数の個数: 40

約数和(自身を含む): 212731920

約数和(自身を除く): 122090080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 10589, 21178, 42356, 52945, 84712, 105890, 169424, 211780, 423560, 847120, 1133023, 2266046, 4532092, 5665115, 9064184, 11330230, 18128368, 22660460, 45320920, 90641840]

約数ペア:

[(1, 90641840), (2, 45320920), (4, 22660460), (5, 18128368), (8, 11330230), (10, 9064184), (16, 5665115), (20, 4532092), (40, 2266046), (80, 1133023), (107, 847120), (214, 423560), (428, 211780), (535, 169424), (856, 105890), (1070, 84712), (1712, 52945), (2140, 42356), (4280, 21178), (8560, 10589)]