38164040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15641}}^1$

素因数の和:15713

約数の個数: 32

約数和(自身を含む): 87282360

約数和(自身を除く): 49118320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 15641, 31282, 62564, 78205, 125128, 156410, 312820, 625640, 954101, 1908202, 3816404, 4770505, 7632808, 9541010, 19082020, 38164040]

約数ペア:

[(1, 38164040), (2, 19082020), (4, 9541010), (5, 7632808), (8, 4770505), (10, 3816404), (20, 1908202), (40, 954101), (61, 625640), (122, 312820), (244, 156410), (305, 125128), (488, 78205), (610, 62564), (1220, 31282), (2440, 15641)]