105365020

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{3739}}^1$

素因数の和:5157

約数の個数: 24

約数和(自身を含む): 221482800

約数和(自身を除く): 116117780

約数列:

[1, 2, 4, 5, 10, 20, 1409, 2818, 3739, 5636, 7045, 7478, 14090, 14956, 18695, 28180, 37390, 74780, 5268251, 10536502, 21073004, 26341255, 52682510, 105365020]

約数ペア:

[(1, 105365020), (2, 52682510), (4, 26341255), (5, 21073004), (10, 10536502), (20, 5268251), (1409, 74780), (2818, 37390), (3739, 28180), (5636, 18695), (7045, 14956), (7478, 14090)]