4455280

素因数分解:

$2^4\times 5^1\times {\mathrm{55691}}^1$

素因数の和:55704

約数の個数: 20

約数和(自身を含む): 10358712

約数和(自身を除く): 5903432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 55691, 111382, 222764, 278455, 445528, 556910, 891056, 1113820, 2227640, 4455280]

約数ペア:

[(1, 4455280), (2, 2227640), (4, 1113820), (5, 891056), (8, 556910), (10, 445528), (16, 278455), (20, 222764), (40, 111382), (80, 55691)]