80211568

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{19973}}^1$

素因数の和:20232

約数の個数: 20

約数和(自身を含む): 156036888

約数和(自身を除く): 75825320

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 19973, 39946, 79892, 159784, 319568, 5013223, 10026446, 20052892, 40105784, 80211568]

約数ペア:

[(1, 80211568), (2, 40105784), (4, 20052892), (8, 10026446), (16, 5013223), (251, 319568), (502, 159784), (1004, 79892), (2008, 39946), (4016, 19973)]