20138575900

素因数分解:

$2^2\times 5^2\times {\mathrm{5003}}^1\times {\mathrm{40253}}^1$

素因数の和:45270

約数の個数: 36

約数和(自身を含む): 43710530472

約数和(自身を除く): 23571954572

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 5003, 10006, 20012, 25015, 40253, 50030, 80506, 100060, 125075, 161012, 201265, 250150, 402530, 500300, 805060, 1006325, 2012650, 4025300, 201385759, 402771518, 805543036, 1006928795, 2013857590, 4027715180, 5034643975, 10069287950, 20138575900]

約数ペア:

[(1, 20138575900), (2, 10069287950), (4, 5034643975), (5, 4027715180), (10, 2013857590), (20, 1006928795), (25, 805543036), (50, 402771518), (100, 201385759), (5003, 4025300), (10006, 2012650), (20012, 1006325), (25015, 805060), (40253, 500300), (50030, 402530), (80506, 250150), (100060, 201265), (125075, 161012)]