80190190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20509}}^1$

素因数の和:20556

約数の個数: 32

約数和(自身を含む): 159485760

約数和(自身を除く): 79295570

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 20509, 41018, 102545, 205090, 348653, 471707, 697306, 943414, 1743265, 2358535, 3486530, 4717070, 8019019, 16038038, 40095095, 80190190]

約数ペア:

[(1, 80190190), (2, 40095095), (5, 16038038), (10, 8019019), (17, 4717070), (23, 3486530), (34, 2358535), (46, 1743265), (85, 943414), (115, 697306), (170, 471707), (230, 348653), (391, 205090), (782, 102545), (1955, 41018), (3910, 20509)]