40688516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1399}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 77851200

約数和(自身を除く): 37162684

約数列:

[1, 2, 4, 11, 22, 44, 661, 1322, 1399, 2644, 2798, 5596, 7271, 14542, 15389, 29084, 30778, 61556, 924739, 1849478, 3698956, 10172129, 20344258, 40688516]

約数ペア:

[(1, 40688516), (2, 20344258), (4, 10172129), (11, 3698956), (22, 1849478), (44, 924739), (661, 61556), (1322, 30778), (1399, 29084), (2644, 15389), (2798, 14542), (5596, 7271)]