1747222480

素因数分解:

$2^4\times 5^1\times {\mathrm{21840281}}^1$

素因数の和:21840294

約数の個数: 20

約数和(自身を含む): 4062292452

約数和(自身を除く): 2315069972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21840281, 43680562, 87361124, 109201405, 174722248, 218402810, 349444496, 436805620, 873611240, 1747222480]

約数ペア:

[(1, 1747222480), (2, 873611240), (4, 436805620), (5, 349444496), (8, 218402810), (10, 174722248), (16, 109201405), (20, 87361124), (40, 43680562), (80, 21840281)]