142465280

素因数分解:

$2^8\times 5^1\times {\mathrm{111301}}^1$

素因数の和:111322

約数の個数: 36

約数和(自身を含む): 341251932

約数和(自身を除く): 198786652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 111301, 222602, 445204, 556505, 890408, 1113010, 1780816, 2226020, 3561632, 4452040, 7123264, 8904080, 14246528, 17808160, 28493056, 35616320, 71232640, 142465280]

約数ペア:

[(1, 142465280), (2, 71232640), (4, 35616320), (5, 28493056), (8, 17808160), (10, 14246528), (16, 8904080), (20, 7123264), (32, 4452040), (40, 3561632), (64, 2226020), (80, 1780816), (128, 1113010), (160, 890408), (256, 556505), (320, 445204), (640, 222602), (1280, 111301)]