1631360

素因数分解:

$2^7\times 5^1\times {\mathrm{2549}}^1$

素因数の和:2568

約数の個数: 32

約数和(自身を含む): 3901500

約数和(自身を除く): 2270140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2549, 5098, 10196, 12745, 20392, 25490, 40784, 50980, 81568, 101960, 163136, 203920, 326272, 407840, 815680, 1631360]

約数ペア:

[(1, 1631360), (2, 815680), (4, 407840), (5, 326272), (8, 203920), (10, 163136), (16, 101960), (20, 81568), (32, 50980), (40, 40784), (64, 25490), (80, 20392), (128, 12745), (160, 10196), (320, 5098), (640, 2549)]