120645040

素因数分解:

$2^4\times 5^1\times {\mathrm{1508063}}^1$

素因数の和:1508076

約数の個数: 20

約数和(自身を含む): 280499904

約数和(自身を除く): 159854864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1508063, 3016126, 6032252, 7540315, 12064504, 15080630, 24129008, 30161260, 60322520, 120645040]

約数ペア:

[(1, 120645040), (2, 60322520), (4, 30161260), (5, 24129008), (8, 15080630), (10, 12064504), (16, 7540315), (20, 6032252), (40, 3016126), (80, 1508063)]