88541650

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 169040520

約数和(自身を除く): 80498870

約数列:

[1, 2, 5, 10, 25, 50, 89, 101, 178, 197, 202, 394, 445, 505, 890, 985, 1010, 1970, 2225, 2525, 4450, 4925, 5050, 8989, 9850, 17533, 17978, 19897, 35066, 39794, 44945, 87665, 89890, 99485, 175330, 198970, 224725, 438325, 449450, 497425, 876650, 994850, 1770833, 3541666, 8854165, 17708330, 44270825, 88541650]

約数ペア:

[(1, 88541650), (2, 44270825), (5, 17708330), (10, 8854165), (25, 3541666), (50, 1770833), (89, 994850), (101, 876650), (178, 497425), (197, 449450), (202, 438325), (394, 224725), (445, 198970), (505, 175330), (890, 99485), (985, 89890), (1010, 87665), (1970, 44945), (2225, 39794), (2525, 35066), (4450, 19897), (4925, 17978), (5050, 17533), (8989, 9850)]