64621340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461581}}^1$

素因数の和:461597

約数の個数: 24

約数和(自身を含む): 155091552

約数和(自身を除く): 90470212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461581, 923162, 1846324, 2307905, 3231067, 4615810, 6462134, 9231620, 12924268, 16155335, 32310670, 64621340]

約数ペア:

[(1, 64621340), (2, 32310670), (4, 16155335), (5, 12924268), (7, 9231620), (10, 6462134), (14, 4615810), (20, 3231067), (28, 2307905), (35, 1846324), (70, 923162), (140, 461581)]