87853640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313763}}^1$

素因数の和:313781

約数の個数: 32

約数和(自身を含む): 225910080

約数和(自身を除く): 138056440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313763, 627526, 1255052, 1568815, 2196341, 2510104, 3137630, 4392682, 6275260, 8785364, 10981705, 12550520, 17570728, 21963410, 43926820, 87853640]

約数ペア:

[(1, 87853640), (2, 43926820), (4, 21963410), (5, 17570728), (7, 12550520), (8, 10981705), (10, 8785364), (14, 6275260), (20, 4392682), (28, 3137630), (35, 2510104), (40, 2196341), (56, 1568815), (70, 1255052), (140, 627526), (280, 313763)]