4940080

素因数分解:

$2^4\times 5^1\times {\mathrm{61751}}^1$

素因数の和:61764

約数の個数: 20

約数和(自身を含む): 11485872

約数和(自身を除く): 6545792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61751, 123502, 247004, 308755, 494008, 617510, 988016, 1235020, 2470040, 4940080]

約数ペア:

[(1, 4940080), (2, 2470040), (4, 1235020), (5, 988016), (8, 617510), (10, 494008), (16, 308755), (20, 247004), (40, 123502), (80, 61751)]