80681672

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{64237}}^1$

素因数の和:64400

約数の個数: 16

約数和(自身を含む): 152244060

約数和(自身を除く): 71562388

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 64237, 128474, 256948, 513896, 10085209, 20170418, 40340836, 80681672]

約数ペア:

[(1, 80681672), (2, 40340836), (4, 20170418), (8, 10085209), (157, 513896), (314, 256948), (628, 128474), (1256, 64237)]