67408040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{240743}}^1$

素因数の和:240761

約数の個数: 32

約数和(自身を含む): 173335680

約数和(自身を除く): 105927640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 240743, 481486, 962972, 1203715, 1685201, 1925944, 2407430, 3370402, 4814860, 6740804, 8426005, 9629720, 13481608, 16852010, 33704020, 67408040]

約数ペア:

[(1, 67408040), (2, 33704020), (4, 16852010), (5, 13481608), (7, 9629720), (8, 8426005), (10, 6740804), (14, 4814860), (20, 3370402), (28, 2407430), (35, 1925944), (40, 1685201), (56, 1203715), (70, 962972), (140, 481486), (280, 240743)]