80402872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1831}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 164880000

約数和(自身を除く): 84477128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 499, 998, 1831, 1996, 3662, 3992, 5489, 7324, 10978, 14648, 20141, 21956, 40282, 43912, 80564, 161128, 913669, 1827338, 3654676, 7309352, 10050359, 20100718, 40201436, 80402872]

約数ペア:

[(1, 80402872), (2, 40201436), (4, 20100718), (8, 10050359), (11, 7309352), (22, 3654676), (44, 1827338), (88, 913669), (499, 161128), (998, 80564), (1831, 43912), (1996, 40282), (3662, 21956), (3992, 20141), (5489, 14648), (7324, 10978)]