86750920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 199940400

約数和(自身を除く): 113189480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 109, 197, 202, 218, 394, 404, 436, 505, 545, 788, 808, 872, 985, 1010, 1090, 1576, 1970, 2020, 2180, 3940, 4040, 4360, 7880, 11009, 19897, 21473, 22018, 39794, 42946, 44036, 55045, 79588, 85892, 88072, 99485, 107365, 110090, 159176, 171784, 198970, 214730, 220180, 397940, 429460, 440360, 795880, 858920, 2168773, 4337546, 8675092, 10843865, 17350184, 21687730, 43375460, 86750920]

約数ペア:

[(1, 86750920), (2, 43375460), (4, 21687730), (5, 17350184), (8, 10843865), (10, 8675092), (20, 4337546), (40, 2168773), (101, 858920), (109, 795880), (197, 440360), (202, 429460), (218, 397940), (394, 220180), (404, 214730), (436, 198970), (505, 171784), (545, 159176), (788, 110090), (808, 107365), (872, 99485), (985, 88072), (1010, 85892), (1090, 79588), (1576, 55045), (1970, 44036), (2020, 42946), (2180, 39794), (3940, 22018), (4040, 21473), (4360, 19897), (7880, 11009)]