39929800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4643}}^1$

素因数の和:4702

約数の個数: 48

約数和(自身を含む): 95016240

約数和(自身を除く): 55086440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 4643, 8600, 9286, 18572, 23215, 37144, 46430, 92860, 116075, 185720, 199649, 232150, 399298, 464300, 798596, 928600, 998245, 1597192, 1996490, 3992980, 4991225, 7985960, 9982450, 19964900, 39929800]

約数ペア:

[(1, 39929800), (2, 19964900), (4, 9982450), (5, 7985960), (8, 4991225), (10, 3992980), (20, 1996490), (25, 1597192), (40, 998245), (43, 928600), (50, 798596), (86, 464300), (100, 399298), (172, 232150), (200, 199649), (215, 185720), (344, 116075), (430, 92860), (860, 46430), (1075, 37144), (1720, 23215), (2150, 18572), (4300, 9286), (4643, 8600)]