6641660920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1\times {\mathrm{5051}}^1$

素因数の和:5596

約数の個数: 64

約数和(自身を含む): 15189949440

約数和(自身を除く): 8548288520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 463, 568, 710, 926, 1420, 1852, 2315, 2840, 3704, 4630, 5051, 9260, 10102, 18520, 20204, 25255, 32873, 40408, 50510, 65746, 101020, 131492, 164365, 202040, 262984, 328730, 358621, 657460, 717242, 1314920, 1434484, 1793105, 2338613, 2868968, 3586210, 4677226, 7172420, 9354452, 11693065, 14344840, 18708904, 23386130, 46772260, 93544520, 166041523, 332083046, 664166092, 830207615, 1328332184, 1660415230, 3320830460, 6641660920]

約数ペア:

[(1, 6641660920), (2, 3320830460), (4, 1660415230), (5, 1328332184), (8, 830207615), (10, 664166092), (20, 332083046), (40, 166041523), (71, 93544520), (142, 46772260), (284, 23386130), (355, 18708904), (463, 14344840), (568, 11693065), (710, 9354452), (926, 7172420), (1420, 4677226), (1852, 3586210), (2315, 2868968), (2840, 2338613), (3704, 1793105), (4630, 1434484), (5051, 1314920), (9260, 717242), (10102, 657460), (18520, 358621), (20204, 328730), (25255, 262984), (32873, 202040), (40408, 164365), (50510, 131492), (65746, 101020)]