172915240

素因数分解:

$2^3\times 5^1\times {\mathrm{4322881}}^1$

素因数の和:4322892

約数の個数: 16

約数和(自身を含む): 389059380

約数和(自身を除く): 216144140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4322881, 8645762, 17291524, 21614405, 34583048, 43228810, 86457620, 172915240]

約数ペア:

[(1, 172915240), (2, 86457620), (4, 43228810), (5, 34583048), (8, 21614405), (10, 17291524), (20, 8645762), (40, 4322881)]