77884765040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51239977}}^1$

素因数の和:51240009

約数の個数: 40

約数和(自身を含む): 190612718160

約数和(自身を除く): 112727953120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51239977, 102479954, 204959908, 256199885, 409919816, 512399770, 819839632, 973559563, 1024799540, 1947119126, 2049599080, 3894238252, 4099198160, 4867797815, 7788476504, 9735595630, 15576953008, 19471191260, 38942382520, 77884765040]

約数ペア:

[(1, 77884765040), (2, 38942382520), (4, 19471191260), (5, 15576953008), (8, 9735595630), (10, 7788476504), (16, 4867797815), (19, 4099198160), (20, 3894238252), (38, 2049599080), (40, 1947119126), (76, 1024799540), (80, 973559563), (95, 819839632), (152, 512399770), (190, 409919816), (304, 256199885), (380, 204959908), (760, 102479954), (1520, 51239977)]