395642080

素因数分解:

$2^5\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1999}}^1$

素因数の和:3251

約数の個数: 48

約数和(自身を含む): 935928000

約数和(自身を除く): 540285920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1237, 1999, 2474, 3998, 4948, 6185, 7996, 9896, 9995, 12370, 15992, 19792, 19990, 24740, 31984, 39584, 39980, 49480, 63968, 79960, 98960, 159920, 197920, 319840, 2472763, 4945526, 9891052, 12363815, 19782104, 24727630, 39564208, 49455260, 79128416, 98910520, 197821040, 395642080]

約数ペア:

[(1, 395642080), (2, 197821040), (4, 98910520), (5, 79128416), (8, 49455260), (10, 39564208), (16, 24727630), (20, 19782104), (32, 12363815), (40, 9891052), (80, 4945526), (160, 2472763), (1237, 319840), (1999, 197920), (2474, 159920), (3998, 98960), (4948, 79960), (6185, 63968), (7996, 49480), (9896, 39980), (9995, 39584), (12370, 31984), (15992, 24740), (19792, 19990)]