80820292

素因数分解:

$2^2\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{2311}}^1$

素因数の和:3571

約数の個数: 24

約数和(自身を含む): 161840000

約数和(自身を除く): 81019708

約数列:

[1, 2, 4, 7, 14, 28, 1249, 2311, 2498, 4622, 4996, 8743, 9244, 16177, 17486, 32354, 34972, 64708, 2886439, 5772878, 11545756, 20205073, 40410146, 80820292]

約数ペア:

[(1, 80820292), (2, 40410146), (4, 20205073), (7, 11545756), (14, 5772878), (28, 2886439), (1249, 64708), (2311, 34972), (2498, 32354), (4622, 17486), (4996, 16177), (8743, 9244)]