39887560

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5011}}^1$

素因数の和:5221

約数の個数: 32

約数和(自身を含む): 90216000

約数和(自身を除く): 50328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 5011, 7960, 10022, 20044, 25055, 40088, 50110, 100220, 200440, 997189, 1994378, 3988756, 4985945, 7977512, 9971890, 19943780, 39887560]

約数ペア:

[(1, 39887560), (2, 19943780), (4, 9971890), (5, 7977512), (8, 4985945), (10, 3988756), (20, 1994378), (40, 997189), (199, 200440), (398, 100220), (796, 50110), (995, 40088), (1592, 25055), (1990, 20044), (3980, 10022), (5011, 7960)]