981160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 2325600

約数和(自身を除く): 1344440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1291, 2582, 5164, 6455, 10328, 12910, 24529, 25820, 49058, 51640, 98116, 122645, 196232, 245290, 490580, 981160]

約数ペア:

[(1, 981160), (2, 490580), (4, 245290), (5, 196232), (8, 122645), (10, 98116), (19, 51640), (20, 49058), (38, 25820), (40, 24529), (76, 12910), (95, 10328), (152, 6455), (190, 5164), (380, 2582), (760, 1291)]