80805872

素因数分解:

$2^4\times 7^1\times {\mathrm{721481}}^1$

素因数の和:721496

約数の個数: 20

約数和(自身を含む): 178927536

約数和(自身を除く): 98121664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 721481, 1442962, 2885924, 5050367, 5771848, 10100734, 11543696, 20201468, 40402936, 80805872]

約数ペア:

[(1, 80805872), (2, 40402936), (4, 20201468), (7, 11543696), (8, 10100734), (14, 5771848), (16, 5050367), (28, 2885924), (56, 1442962), (112, 721481)]