49678360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^2\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 113778000

約数和(自身を除く): 64099640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 199, 316, 395, 398, 632, 790, 796, 995, 1580, 1592, 1990, 3160, 3980, 6241, 7960, 12482, 15721, 24964, 31205, 31442, 49928, 62410, 62884, 78605, 124820, 125768, 157210, 249640, 314420, 628840, 1241959, 2483918, 4967836, 6209795, 9935672, 12419590, 24839180, 49678360]

約数ペア:

[(1, 49678360), (2, 24839180), (4, 12419590), (5, 9935672), (8, 6209795), (10, 4967836), (20, 2483918), (40, 1241959), (79, 628840), (158, 314420), (199, 249640), (316, 157210), (395, 125768), (398, 124820), (632, 78605), (790, 62884), (796, 62410), (995, 49928), (1580, 31442), (1592, 31205), (1990, 24964), (3160, 15721), (3980, 12482), (6241, 7960)]