38972620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45317}}^1$

素因数の和:45369

約数の個数: 24

約数和(自身を含む): 83747664

約数和(自身を除く): 44775044

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 45317, 90634, 181268, 226585, 453170, 906340, 1948631, 3897262, 7794524, 9743155, 19486310, 38972620]

約数ペア:

[(1, 38972620), (2, 19486310), (4, 9743155), (5, 7794524), (10, 3897262), (20, 1948631), (43, 906340), (86, 453170), (172, 226585), (215, 181268), (430, 90634), (860, 45317)]