136621000640

素因数分解:

$2^6\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{213791}}^1$

素因数の和:215805

約数の個数: 56

約数和(自身を含む): 325493188992

約数和(自身を除く): 188872188352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1997, 3994, 7988, 9985, 15976, 19970, 31952, 39940, 63904, 79880, 127808, 159760, 213791, 319520, 427582, 639040, 855164, 1068955, 1710328, 2137910, 3420656, 4275820, 6841312, 8551640, 13682624, 17103280, 34206560, 68413120, 426940627, 853881254, 1707762508, 2134703135, 3415525016, 4269406270, 6831050032, 8538812540, 13662100064, 17077625080, 27324200128, 34155250160, 68310500320, 136621000640]

約数ペア:

[(1, 136621000640), (2, 68310500320), (4, 34155250160), (5, 27324200128), (8, 17077625080), (10, 13662100064), (16, 8538812540), (20, 6831050032), (32, 4269406270), (40, 3415525016), (64, 2134703135), (80, 1707762508), (160, 853881254), (320, 426940627), (1997, 68413120), (3994, 34206560), (7988, 17103280), (9985, 13682624), (15976, 8551640), (19970, 6841312), (31952, 4275820), (39940, 3420656), (63904, 2137910), (79880, 1710328), (127808, 1068955), (159760, 855164), (213791, 639040), (319520, 427582)]