64422040

素因数分解:

$2^3\times 5^1\times {\mathrm{1610551}}^1$

素因数の和:1610562

約数の個数: 16

約数和(自身を含む): 144949680

約数和(自身を除く): 80527640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1610551, 3221102, 6442204, 8052755, 12884408, 16105510, 32211020, 64422040]

約数ペア:

[(1, 64422040), (2, 32211020), (4, 16105510), (5, 12884408), (8, 8052755), (10, 6442204), (20, 3221102), (40, 1610551)]