200026780

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{13757}}^1$

素因数の和:14493

約数の個数: 24

約数和(自身を含む): 420664608

約数和(自身を除く): 220637828

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 7270, 13757, 14540, 27514, 55028, 68785, 137570, 275140, 10001339, 20002678, 40005356, 50006695, 100013390, 200026780]

約数ペア:

[(1, 200026780), (2, 100013390), (4, 50006695), (5, 40005356), (10, 20002678), (20, 10001339), (727, 275140), (1454, 137570), (2908, 68785), (3635, 55028), (7270, 27514), (13757, 14540)]