212219080

素因数分解:

$2^3\times 5^1\times {\mathrm{5305477}}^1$

素因数の和:5305488

約数の個数: 16

約数和(自身を含む): 477493020

約数和(自身を除く): 265273940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5305477, 10610954, 21221908, 26527385, 42443816, 53054770, 106109540, 212219080]

約数ペア:

[(1, 212219080), (2, 106109540), (4, 53054770), (5, 42443816), (8, 26527385), (10, 21221908), (20, 10610954), (40, 5305477)]