266480

素因数分解:

$2^4\times 5^1\times {\mathrm{3331}}^1$

素因数の和:3344

約数の個数: 20

約数和(自身を含む): 619752

約数和(自身を除く): 353272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3331, 6662, 13324, 16655, 26648, 33310, 53296, 66620, 133240, 266480]

約数ペア:

[(1, 266480), (2, 133240), (4, 66620), (5, 53296), (8, 33310), (10, 26648), (16, 16655), (20, 13324), (40, 6662), (80, 3331)]