2018687120

素因数分解:

$2^4\times 5^1\times {\mathrm{25233589}}^1$

素因数の和:25233602

約数の個数: 20

約数和(自身を含む): 4693447740

約数和(自身を除く): 2674760620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25233589, 50467178, 100934356, 126167945, 201868712, 252335890, 403737424, 504671780, 1009343560, 2018687120]

約数ペア:

[(1, 2018687120), (2, 1009343560), (4, 504671780), (5, 403737424), (8, 252335890), (10, 201868712), (16, 126167945), (20, 100934356), (40, 50467178), (80, 25233589)]