85848080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56479}}^1$

素因数の和:56511

約数の個数: 40

約数和(自身を含む): 210105600

約数和(自身を除く): 124257520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 56479, 112958, 225916, 282395, 451832, 564790, 903664, 1073101, 1129580, 2146202, 2259160, 4292404, 4518320, 5365505, 8584808, 10731010, 17169616, 21462020, 42924040, 85848080]

約数ペア:

[(1, 85848080), (2, 42924040), (4, 21462020), (5, 17169616), (8, 10731010), (10, 8584808), (16, 5365505), (19, 4518320), (20, 4292404), (38, 2259160), (40, 2146202), (76, 1129580), (80, 1073101), (95, 903664), (152, 564790), (190, 451832), (304, 282395), (380, 225916), (760, 112958), (1520, 56479)]