80438996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 158844672

約数和(自身を除く): 78405676

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 97, 188, 194, 388, 401, 517, 802, 1034, 1067, 1604, 2068, 2134, 4268, 4411, 4559, 8822, 9118, 17644, 18236, 18847, 37694, 38897, 50149, 75388, 77794, 100298, 155588, 200596, 207317, 414634, 427867, 829268, 855734, 1711468, 1828159, 3656318, 7312636, 20109749, 40219498, 80438996]

約数ペア:

[(1, 80438996), (2, 40219498), (4, 20109749), (11, 7312636), (22, 3656318), (44, 1828159), (47, 1711468), (94, 855734), (97, 829268), (188, 427867), (194, 414634), (388, 207317), (401, 200596), (517, 155588), (802, 100298), (1034, 77794), (1067, 75388), (1604, 50149), (2068, 38897), (2134, 37694), (4268, 18847), (4411, 18236), (4559, 17644), (8822, 9118)]