80771390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{7079}}^1$

素因数の和:7256

約数の個数: 32

約数和(自身を含む): 167201280

約数和(自身を除く): 86429890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 5705, 7079, 11410, 14158, 35395, 49553, 70790, 99106, 247765, 495530, 1153877, 2307754, 5769385, 8077139, 11538770, 16154278, 40385695, 80771390]

約数ペア:

[(1, 80771390), (2, 40385695), (5, 16154278), (7, 11538770), (10, 8077139), (14, 5769385), (35, 2307754), (70, 1153877), (163, 495530), (326, 247765), (815, 99106), (1141, 70790), (1630, 49553), (2282, 35395), (5705, 14158), (7079, 11410)]