172079720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{48337}}^1$

素因数の和:48437

約数の個数: 32

約数和(自身を含む): 391537800

約数和(自身を除く): 219458080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 48337, 96674, 193348, 241685, 386696, 483370, 966740, 1933480, 4301993, 8603986, 17207972, 21509965, 34415944, 43019930, 86039860, 172079720]

約数ペア:

[(1, 172079720), (2, 86039860), (4, 43019930), (5, 34415944), (8, 21509965), (10, 17207972), (20, 8603986), (40, 4301993), (89, 1933480), (178, 966740), (356, 483370), (445, 386696), (712, 241685), (890, 193348), (1780, 96674), (3560, 48337)]