16784840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6263}}^1$

素因数の和:6341

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 21550840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6263, 12526, 25052, 31315, 50104, 62630, 125260, 250520, 419621, 839242, 1678484, 2098105, 3356968, 4196210, 8392420, 16784840]

約数ペア:

[(1, 16784840), (2, 8392420), (4, 4196210), (5, 3356968), (8, 2098105), (10, 1678484), (20, 839242), (40, 419621), (67, 250520), (134, 125260), (268, 62630), (335, 50104), (536, 31315), (670, 25052), (1340, 12526), (2680, 6263)]