1669942480

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{42863}}^1$

素因数の和:43363

約数の個数: 40

約数和(自身を含む): 3890679552

約数和(自身を除く): 2220737072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1948, 2435, 3896, 4870, 7792, 9740, 19480, 38960, 42863, 85726, 171452, 214315, 342904, 428630, 685808, 857260, 1714520, 3429040, 20874281, 41748562, 83497124, 104371405, 166994248, 208742810, 333988496, 417485620, 834971240, 1669942480]

約数ペア:

[(1, 1669942480), (2, 834971240), (4, 417485620), (5, 333988496), (8, 208742810), (10, 166994248), (16, 104371405), (20, 83497124), (40, 41748562), (80, 20874281), (487, 3429040), (974, 1714520), (1948, 857260), (2435, 685808), (3896, 428630), (4870, 342904), (7792, 214315), (9740, 171452), (19480, 85726), (38960, 42863)]