25706480

素因数分解:

$2^4\times 5^1\times {\mathrm{321331}}^1$

素因数の和:321344

約数の個数: 20

約数和(自身を含む): 59767752

約数和(自身を除く): 34061272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 321331, 642662, 1285324, 1606655, 2570648, 3213310, 5141296, 6426620, 12853240, 25706480]

約数ペア:

[(1, 25706480), (2, 12853240), (4, 6426620), (5, 5141296), (8, 3213310), (10, 2570648), (16, 1606655), (20, 1285324), (40, 642662), (80, 321331)]