181036640

素因数分解:

$2^5\times 5^1\times {\mathrm{1131479}}^1$

素因数の和:1131494

約数の個数: 24

約数和(自身を含む): 427699440

約数和(自身を除く): 246662800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1131479, 2262958, 4525916, 5657395, 9051832, 11314790, 18103664, 22629580, 36207328, 45259160, 90518320, 181036640]

約数ペア:

[(1, 181036640), (2, 90518320), (4, 45259160), (5, 36207328), (8, 22629580), (10, 18103664), (16, 11314790), (20, 9051832), (32, 5657395), (40, 4525916), (80, 2262958), (160, 1131479)]