2017495120

素因数分解:

$2^4\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{9241}}^1$

素因数の和:11983

約数の個数: 40

約数和(自身を含む): 4692902760

約数和(自身を除く): 2675407640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2729, 5458, 9241, 10916, 13645, 18482, 21832, 27290, 36964, 43664, 46205, 54580, 73928, 92410, 109160, 147856, 184820, 218320, 369640, 739280, 25218689, 50437378, 100874756, 126093445, 201749512, 252186890, 403499024, 504373780, 1008747560, 2017495120]

約数ペア:

[(1, 2017495120), (2, 1008747560), (4, 504373780), (5, 403499024), (8, 252186890), (10, 201749512), (16, 126093445), (20, 100874756), (40, 50437378), (80, 25218689), (2729, 739280), (5458, 369640), (9241, 218320), (10916, 184820), (13645, 147856), (18482, 109160), (21832, 92410), (27290, 73928), (36964, 54580), (43664, 46205)]