71783080

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4283}}^1$

素因数の和:4713

約数の個数: 32

約数和(自身を含む): 161935200

約数和(自身を除く): 90152120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 4283, 8380, 8566, 16760, 17132, 21415, 34264, 42830, 85660, 171320, 1794577, 3589154, 7178308, 8972885, 14356616, 17945770, 35891540, 71783080]

約数ペア:

[(1, 71783080), (2, 35891540), (4, 17945770), (5, 14356616), (8, 8972885), (10, 7178308), (20, 3589154), (40, 1794577), (419, 171320), (838, 85660), (1676, 42830), (2095, 34264), (3352, 21415), (4190, 17132), (4283, 16760), (8380, 8566)]