28759160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 40360840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 479, 632, 760, 790, 958, 1501, 1580, 1916, 2395, 3002, 3160, 3832, 4790, 6004, 7505, 9101, 9580, 12008, 15010, 18202, 19160, 30020, 36404, 37841, 45505, 60040, 72808, 75682, 91010, 151364, 182020, 189205, 302728, 364040, 378410, 718979, 756820, 1437958, 1513640, 2875916, 3594895, 5751832, 7189790, 14379580, 28759160]

約数ペア:

[(1, 28759160), (2, 14379580), (4, 7189790), (5, 5751832), (8, 3594895), (10, 2875916), (19, 1513640), (20, 1437958), (38, 756820), (40, 718979), (76, 378410), (79, 364040), (95, 302728), (152, 189205), (158, 182020), (190, 151364), (316, 91010), (380, 75682), (395, 72808), (479, 60040), (632, 45505), (760, 37841), (790, 36404), (958, 30020), (1501, 19160), (1580, 18202), (1916, 15010), (2395, 12008), (3002, 9580), (3160, 9101), (3832, 7505), (4790, 6004)]