80618416

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{26107}}^1$

素因数の和:26308

約数の個数: 20

約数和(自身を含む): 157013512

約数和(自身を除く): 76395096

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 26107, 52214, 104428, 208856, 417712, 5038651, 10077302, 20154604, 40309208, 80618416]

約数ペア:

[(1, 80618416), (2, 40309208), (4, 20154604), (8, 10077302), (16, 5038651), (193, 417712), (386, 208856), (772, 104428), (1544, 52214), (3088, 26107)]