40207972

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3511}}^1$

素因数の和:3931

約数の個数: 24

約数和(自身を含む): 80635520

約数和(自身を除く): 40427548

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 3511, 5726, 7022, 11452, 14044, 24577, 49154, 98308, 1435999, 2871998, 5743996, 10051993, 20103986, 40207972]

約数ペア:

[(1, 40207972), (2, 20103986), (4, 10051993), (7, 5743996), (14, 2871998), (28, 1435999), (409, 98308), (818, 49154), (1636, 24577), (2863, 14044), (3511, 11452), (5726, 7022)]