201497540

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{12641}}^1$

素因数の和:13447

約数の個数: 24

約数和(自身を含む): 423709272

約数和(自身を除く): 222211732

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 12641, 15940, 25282, 50564, 63205, 126410, 252820, 10074877, 20149754, 40299508, 50374385, 100748770, 201497540]

約数ペア:

[(1, 201497540), (2, 100748770), (4, 50374385), (5, 40299508), (10, 20149754), (20, 10074877), (797, 252820), (1594, 126410), (3188, 63205), (3985, 50564), (7970, 25282), (12641, 15940)]