66680080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6563}}^1$

素因数の和:6703

約数の個数: 40

約数和(自身を含む): 156275712

約数和(自身を除く): 89595632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6563, 10160, 13126, 26252, 32815, 52504, 65630, 105008, 131260, 262520, 525040, 833501, 1667002, 3334004, 4167505, 6668008, 8335010, 13336016, 16670020, 33340040, 66680080]

約数ペア:

[(1, 66680080), (2, 33340040), (4, 16670020), (5, 13336016), (8, 8335010), (10, 6668008), (16, 4167505), (20, 3334004), (40, 1667002), (80, 833501), (127, 525040), (254, 262520), (508, 131260), (635, 105008), (1016, 65630), (1270, 52504), (2032, 32815), (2540, 26252), (5080, 13126), (6563, 10160)]