16915280

素因数分解:

$2^4\times 5^1\times {\mathrm{211441}}^1$

素因数の和:211454

約数の個数: 20

約数和(自身を含む): 39328212

約数和(自身を除く): 22412932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211441, 422882, 845764, 1057205, 1691528, 2114410, 3383056, 4228820, 8457640, 16915280]

約数ペア:

[(1, 16915280), (2, 8457640), (4, 4228820), (5, 3383056), (8, 2114410), (10, 1691528), (16, 1057205), (20, 845764), (40, 422882), (80, 211441)]