65095840

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{971}}^1$

素因数の和:1405

約数の個数: 48

約数和(自身を含む): 154314720

約数和(自身を除く): 89218880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 838, 971, 1676, 1942, 2095, 3352, 3884, 4190, 4855, 6704, 7768, 8380, 9710, 13408, 15536, 16760, 19420, 31072, 33520, 38840, 67040, 77680, 155360, 406849, 813698, 1627396, 2034245, 3254792, 4068490, 6509584, 8136980, 13019168, 16273960, 32547920, 65095840]

約数ペア:

[(1, 65095840), (2, 32547920), (4, 16273960), (5, 13019168), (8, 8136980), (10, 6509584), (16, 4068490), (20, 3254792), (32, 2034245), (40, 1627396), (80, 813698), (160, 406849), (419, 155360), (838, 77680), (971, 67040), (1676, 38840), (1942, 33520), (2095, 31072), (3352, 19420), (3884, 16760), (4190, 15536), (4855, 13408), (6704, 9710), (7768, 8380)]