42706520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3433}}^1$

素因数の和:3755

約数の個数: 32

約数和(自身を含む): 96426720

約数和(自身を除く): 53720200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 3433, 6220, 6866, 12440, 13732, 17165, 27464, 34330, 68660, 137320, 1067663, 2135326, 4270652, 5338315, 8541304, 10676630, 21353260, 42706520]

約数ペア:

[(1, 42706520), (2, 21353260), (4, 10676630), (5, 8541304), (8, 5338315), (10, 4270652), (20, 2135326), (40, 1067663), (311, 137320), (622, 68660), (1244, 34330), (1555, 27464), (2488, 17165), (3110, 13732), (3433, 12440), (6220, 6866)]