40643890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{580627}}^1$

素因数の和:580641

約数の個数: 16

約数和(自身を含む): 83610432

約数和(自身を除く): 42966542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 580627, 1161254, 2903135, 4064389, 5806270, 8128778, 20321945, 40643890]

約数ペア:

[(1, 40643890), (2, 20321945), (5, 8128778), (7, 5806270), (10, 4064389), (14, 2903135), (35, 1161254), (70, 580627)]