40229840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 113385600

約数和(自身を除く): 73155760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 199, 266, 280, 304, 361, 380, 398, 532, 560, 665, 722, 760, 796, 995, 1064, 1330, 1393, 1444, 1520, 1592, 1805, 1990, 2128, 2527, 2660, 2786, 2888, 3184, 3610, 3781, 3980, 5054, 5320, 5572, 5776, 6965, 7220, 7562, 7960, 10108, 10640, 11144, 12635, 13930, 14440, 15124, 15920, 18905, 20216, 22288, 25270, 26467, 27860, 28880, 30248, 37810, 40432, 50540, 52934, 55720, 60496, 71839, 75620, 101080, 105868, 111440, 132335, 143678, 151240, 202160, 211736, 264670, 287356, 302480, 359195, 423472, 502873, 529340, 574712, 718390, 1005746, 1058680, 1149424, 1436780, 2011492, 2117360, 2514365, 2873560, 4022984, 5028730, 5747120, 8045968, 10057460, 20114920, 40229840]

約数ペア:

[(1, 40229840), (2, 20114920), (4, 10057460), (5, 8045968), (7, 5747120), (8, 5028730), (10, 4022984), (14, 2873560), (16, 2514365), (19, 2117360), (20, 2011492), (28, 1436780), (35, 1149424), (38, 1058680), (40, 1005746), (56, 718390), (70, 574712), (76, 529340), (80, 502873), (95, 423472), (112, 359195), (133, 302480), (140, 287356), (152, 264670), (190, 211736), (199, 202160), (266, 151240), (280, 143678), (304, 132335), (361, 111440), (380, 105868), (398, 101080), (532, 75620), (560, 71839), (665, 60496), (722, 55720), (760, 52934), (796, 50540), (995, 40432), (1064, 37810), (1330, 30248), (1393, 28880), (1444, 27860), (1520, 26467), (1592, 25270), (1805, 22288), (1990, 20216), (2128, 18905), (2527, 15920), (2660, 15124), (2786, 14440), (2888, 13930), (3184, 12635), (3610, 11144), (3781, 10640), (3980, 10108), (5054, 7960), (5320, 7562), (5572, 7220), (5776, 6965)]