177109720

素因数分解:

$2^3\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{4051}}^1$

素因数の和:5155

約数の個数: 32

約数和(自身を含む): 398959920

約数和(自身を除く): 221850200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1093, 2186, 4051, 4372, 5465, 8102, 8744, 10930, 16204, 20255, 21860, 32408, 40510, 43720, 81020, 162040, 4427743, 8855486, 17710972, 22138715, 35421944, 44277430, 88554860, 177109720]

約数ペア:

[(1, 177109720), (2, 88554860), (4, 44277430), (5, 35421944), (8, 22138715), (10, 17710972), (20, 8855486), (40, 4427743), (1093, 162040), (2186, 81020), (4051, 43720), (4372, 40510), (5465, 32408), (8102, 21860), (8744, 20255), (10930, 16204)]