212219240

素因数分解:

$2^3\times 5^1\times {\mathrm{5305481}}^1$

素因数の和:5305492

約数の個数: 16

約数和(自身を含む): 477493380

約数和(自身を除く): 265274140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5305481, 10610962, 21221924, 26527405, 42443848, 53054810, 106109620, 212219240]

約数ペア:

[(1, 212219240), (2, 106109620), (4, 53054810), (5, 42443848), (8, 26527405), (10, 21221924), (20, 10610962), (40, 5305481)]