40639936

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{1759}}^1$

素因数の和:1809

約数の個数: 42

約数和(自身を含む): 85161120

約数和(自身を除く): 44521184

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 1216, 1444, 1759, 2888, 3518, 5776, 7036, 11552, 14072, 23104, 28144, 33421, 56288, 66842, 112576, 133684, 267368, 534736, 634999, 1069472, 1269998, 2138944, 2539996, 5079992, 10159984, 20319968, 40639936]

約数ペア:

[(1, 40639936), (2, 20319968), (4, 10159984), (8, 5079992), (16, 2539996), (19, 2138944), (32, 1269998), (38, 1069472), (64, 634999), (76, 534736), (152, 267368), (304, 133684), (361, 112576), (608, 66842), (722, 56288), (1216, 33421), (1444, 28144), (1759, 23104), (2888, 14072), (3518, 11552), (5776, 7036)]