40766480

素因数分解:

$2^4\times 5^1\times {\mathrm{509581}}^1$

素因数の和:509594

約数の個数: 20

約数和(自身を含む): 94782252

約数和(自身を除く): 54015772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509581, 1019162, 2038324, 2547905, 4076648, 5095810, 8153296, 10191620, 20383240, 40766480]

約数ペア:

[(1, 40766480), (2, 20383240), (4, 10191620), (5, 8153296), (8, 5095810), (10, 4076648), (16, 2547905), (20, 2038324), (40, 1019162), (80, 509581)]