40860080

素因数分解:

$2^4\times 5^1\times {\mathrm{510751}}^1$

素因数の和:510764

約数の個数: 20

約数和(自身を含む): 94999872

約数和(自身を除く): 54139792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510751, 1021502, 2043004, 2553755, 4086008, 5107510, 8172016, 10215020, 20430040, 40860080]

約数ペア:

[(1, 40860080), (2, 20430040), (4, 10215020), (5, 8172016), (8, 5107510), (10, 4086008), (16, 2553755), (20, 2043004), (40, 1021502), (80, 510751)]