40655080

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3617}}^1$

素因数の和:3909

約数の個数: 32

約数和(自身を含む): 91824840

約数和(自身を除く): 51169760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 3617, 5620, 7234, 11240, 14468, 18085, 28936, 36170, 72340, 144680, 1016377, 2032754, 4065508, 5081885, 8131016, 10163770, 20327540, 40655080]

約数ペア:

[(1, 40655080), (2, 20327540), (4, 10163770), (5, 8131016), (8, 5081885), (10, 4065508), (20, 2032754), (40, 1016377), (281, 144680), (562, 72340), (1124, 36170), (1405, 28936), (2248, 18085), (2810, 14468), (3617, 11240), (5620, 7234)]