16840840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22159}}^1$

素因数の和:22189

約数の個数: 32

約数和(自身を含む): 39888000

約数和(自身を除く): 23047160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 22159, 44318, 88636, 110795, 177272, 221590, 421021, 443180, 842042, 886360, 1684084, 2105105, 3368168, 4210210, 8420420, 16840840]

約数ペア:

[(1, 16840840), (2, 8420420), (4, 4210210), (5, 3368168), (8, 2105105), (10, 1684084), (19, 886360), (20, 842042), (38, 443180), (40, 421021), (76, 221590), (95, 177272), (152, 110795), (190, 88636), (380, 44318), (760, 22159)]