39885080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23189}}^1$

素因数の和:23243

約数の個数: 32

約数和(自身を含む): 91832400

約数和(自身を除く): 51947320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23189, 46378, 92756, 115945, 185512, 231890, 463780, 927560, 997127, 1994254, 3988508, 4985635, 7977016, 9971270, 19942540, 39885080]

約数ペア:

[(1, 39885080), (2, 19942540), (4, 9971270), (5, 7977016), (8, 4985635), (10, 3988508), (20, 1994254), (40, 997127), (43, 927560), (86, 463780), (172, 231890), (215, 185512), (344, 115945), (430, 92756), (860, 46378), (1720, 23189)]