25658480

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{919}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 59892000

約数和(自身を除く): 34233520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 919, 1396, 1745, 1838, 2792, 3490, 3676, 4595, 5584, 6980, 7352, 9190, 13960, 14704, 18380, 27920, 36760, 73520, 320731, 641462, 1282924, 1603655, 2565848, 3207310, 5131696, 6414620, 12829240, 25658480]

約数ペア:

[(1, 25658480), (2, 12829240), (4, 6414620), (5, 5131696), (8, 3207310), (10, 2565848), (16, 1603655), (20, 1282924), (40, 641462), (80, 320731), (349, 73520), (698, 36760), (919, 27920), (1396, 18380), (1745, 14704), (1838, 13960), (2792, 9190), (3490, 7352), (3676, 6980), (4595, 5584)]