12385760

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 29484000

約数和(自身を除く): 17098240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 389, 398, 778, 796, 995, 1556, 1592, 1945, 1990, 3112, 3184, 3890, 3980, 6224, 6368, 7780, 7960, 12448, 15560, 15920, 31120, 31840, 62240, 77411, 154822, 309644, 387055, 619288, 774110, 1238576, 1548220, 2477152, 3096440, 6192880, 12385760]

約数ペア:

[(1, 12385760), (2, 6192880), (4, 3096440), (5, 2477152), (8, 1548220), (10, 1238576), (16, 774110), (20, 619288), (32, 387055), (40, 309644), (80, 154822), (160, 77411), (199, 62240), (389, 31840), (398, 31120), (778, 15920), (796, 15560), (995, 12448), (1556, 7960), (1592, 7780), (1945, 6368), (1990, 6224), (3112, 3980), (3184, 3890)]