27680336

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 55353600

約数和(自身を除く): 27673264

約数列:

[1, 2, 4, 8, 16, 61, 79, 122, 158, 244, 316, 359, 488, 632, 718, 976, 1264, 1436, 2872, 4819, 5744, 9638, 19276, 21899, 28361, 38552, 43798, 56722, 77104, 87596, 113444, 175192, 226888, 350384, 453776, 1730021, 3460042, 6920084, 13840168, 27680336]

約数ペア:

[(1, 27680336), (2, 13840168), (4, 6920084), (8, 3460042), (16, 1730021), (61, 453776), (79, 350384), (122, 226888), (158, 175192), (244, 113444), (316, 87596), (359, 77104), (488, 56722), (632, 43798), (718, 38552), (976, 28361), (1264, 21899), (1436, 19276), (2872, 9638), (4819, 5744)]