31895120

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1741}}^1$

素因数の和:1983

約数の個数: 40

約数和(自身を含む): 74522760

約数和(自身を除く): 42627640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1741, 1832, 2290, 3482, 3664, 4580, 6964, 8705, 9160, 13928, 17410, 18320, 27856, 34820, 69640, 139280, 398689, 797378, 1594756, 1993445, 3189512, 3986890, 6379024, 7973780, 15947560, 31895120]

約数ペア:

[(1, 31895120), (2, 15947560), (4, 7973780), (5, 6379024), (8, 3986890), (10, 3189512), (16, 1993445), (20, 1594756), (40, 797378), (80, 398689), (229, 139280), (458, 69640), (916, 34820), (1145, 27856), (1741, 18320), (1832, 17410), (2290, 13928), (3482, 9160), (3664, 8705), (4580, 6964)]