164041640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{585863}}^1$

素因数の和:585881

約数の個数: 32

約数和(自身を含む): 421822080

約数和(自身を除く): 257780440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 585863, 1171726, 2343452, 2929315, 4101041, 4686904, 5858630, 8202082, 11717260, 16404164, 20505205, 23434520, 32808328, 41010410, 82020820, 164041640]

約数ペア:

[(1, 164041640), (2, 82020820), (4, 41010410), (5, 32808328), (7, 23434520), (8, 20505205), (10, 16404164), (14, 11717260), (20, 8202082), (28, 5858630), (35, 4686904), (40, 4101041), (56, 2929315), (70, 2343452), (140, 1171726), (280, 585863)]