5150120

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 11664000

約数和(自身を除く): 6513880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 647, 796, 995, 1294, 1592, 1990, 2588, 3235, 3980, 5176, 6470, 7960, 12940, 25880, 128753, 257506, 515012, 643765, 1030024, 1287530, 2575060, 5150120]

約数ペア:

[(1, 5150120), (2, 2575060), (4, 1287530), (5, 1030024), (8, 643765), (10, 515012), (20, 257506), (40, 128753), (199, 25880), (398, 12940), (647, 7960), (796, 6470), (995, 5176), (1294, 3980), (1592, 3235), (1990, 2588)]