40402840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6779}}^1$

素因数の和:6939

約数の個数: 32

約数和(自身を含む): 91530000

約数和(自身を除く): 51127160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 6779, 13558, 27116, 33895, 54232, 67790, 135580, 271160, 1010071, 2020142, 4040284, 5050355, 8080568, 10100710, 20201420, 40402840]

約数ペア:

[(1, 40402840), (2, 20201420), (4, 10100710), (5, 8080568), (8, 5050355), (10, 4040284), (20, 2020142), (40, 1010071), (149, 271160), (298, 135580), (596, 67790), (745, 54232), (1192, 33895), (1490, 27116), (2980, 13558), (5960, 6779)]