64432540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{87071}}^1$

素因数の和:87117

約数の個数: 24

約数和(自身を含む): 138966912

約数和(自身を除く): 74534372

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 87071, 174142, 348284, 435355, 870710, 1741420, 3221627, 6443254, 12886508, 16108135, 32216270, 64432540]

約数ペア:

[(1, 64432540), (2, 32216270), (4, 16108135), (5, 12886508), (10, 6443254), (20, 3221627), (37, 1741420), (74, 870710), (148, 435355), (185, 348284), (370, 174142), (740, 87071)]