80209640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15077}}^1$

素因数の和:15114

約数の個数: 64

約数和(自身を含む): 217123200

約数和(自身を除く): 136913560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 15077, 30154, 60308, 75385, 105539, 120616, 150770, 211078, 286463, 301540, 422156, 527695, 572926, 603080, 844312, 1055390, 1145852, 1432315, 2005241, 2110780, 2291704, 2864630, 4010482, 4221560, 5729260, 8020964, 10026205, 11458520, 16041928, 20052410, 40104820, 80209640]

約数ペア:

[(1, 80209640), (2, 40104820), (4, 20052410), (5, 16041928), (7, 11458520), (8, 10026205), (10, 8020964), (14, 5729260), (19, 4221560), (20, 4010482), (28, 2864630), (35, 2291704), (38, 2110780), (40, 2005241), (56, 1432315), (70, 1145852), (76, 1055390), (95, 844312), (133, 603080), (140, 572926), (152, 527695), (190, 422156), (266, 301540), (280, 286463), (380, 211078), (532, 150770), (665, 120616), (760, 105539), (1064, 75385), (1330, 60308), (2660, 30154), (5320, 15077)]