338480

素因数分解:

$2^4\times 5^1\times {\mathrm{4231}}^1$

素因数の和:4244

約数の個数: 20

約数和(自身を含む): 787152

約数和(自身を除く): 448672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4231, 8462, 16924, 21155, 33848, 42310, 67696, 84620, 169240, 338480]

約数ペア:

[(1, 338480), (2, 169240), (4, 84620), (5, 67696), (8, 42310), (10, 33848), (16, 21155), (20, 16924), (40, 8462), (80, 4231)]