42321680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7451}}^1$

素因数の和:7535

約数の個数: 40

約数和(自身を含む): 99797184

約数和(自身を除く): 57475504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 7451, 14902, 29804, 37255, 59608, 74510, 119216, 149020, 298040, 529021, 596080, 1058042, 2116084, 2645105, 4232168, 5290210, 8464336, 10580420, 21160840, 42321680]

約数ペア:

[(1, 42321680), (2, 21160840), (4, 10580420), (5, 8464336), (8, 5290210), (10, 4232168), (16, 2645105), (20, 2116084), (40, 1058042), (71, 596080), (80, 529021), (142, 298040), (284, 149020), (355, 119216), (568, 74510), (710, 59608), (1136, 37255), (1420, 29804), (2840, 14902), (5680, 7451)]