17973680

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1129}}^1$

素因数の和:1341

約数の個数: 40

約数和(自身を含む): 42036000

約数和(自身を除く): 24062320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1129, 1592, 1990, 2258, 3184, 3980, 4516, 5645, 7960, 9032, 11290, 15920, 18064, 22580, 45160, 90320, 224671, 449342, 898684, 1123355, 1797368, 2246710, 3594736, 4493420, 8986840, 17973680]

約数ペア:

[(1, 17973680), (2, 8986840), (4, 4493420), (5, 3594736), (8, 2246710), (10, 1797368), (16, 1123355), (20, 898684), (40, 449342), (80, 224671), (199, 90320), (398, 45160), (796, 22580), (995, 18064), (1129, 15920), (1592, 11290), (1990, 9032), (2258, 7960), (3184, 5645), (3980, 4516)]