66726940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{881}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 160622784

約数和(自身を除く): 93895844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 541, 881, 1082, 1762, 2164, 2705, 3524, 3787, 4405, 5410, 6167, 7574, 8810, 10820, 12334, 15148, 17620, 18935, 24668, 30835, 37870, 61670, 75740, 123340, 476621, 953242, 1906484, 2383105, 3336347, 4766210, 6672694, 9532420, 13345388, 16681735, 33363470, 66726940]

約数ペア:

[(1, 66726940), (2, 33363470), (4, 16681735), (5, 13345388), (7, 9532420), (10, 6672694), (14, 4766210), (20, 3336347), (28, 2383105), (35, 1906484), (70, 953242), (140, 476621), (541, 123340), (881, 75740), (1082, 61670), (1762, 37870), (2164, 30835), (2705, 24668), (3524, 18935), (3787, 17620), (4405, 15148), (5410, 12334), (6167, 10820), (7574, 8810)]