38220920

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1009}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 86173200

約数和(自身を除く): 47952280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1009, 1894, 2018, 3788, 4036, 4735, 5045, 7576, 8072, 9470, 10090, 18940, 20180, 37880, 40360, 955523, 1911046, 3822092, 4777615, 7644184, 9555230, 19110460, 38220920]

約数ペア:

[(1, 38220920), (2, 19110460), (4, 9555230), (5, 7644184), (8, 4777615), (10, 3822092), (20, 1911046), (40, 955523), (947, 40360), (1009, 37880), (1894, 20180), (2018, 18940), (3788, 10090), (4036, 9470), (4735, 8072), (5045, 7576)]