39378340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24923}}^1$

素因数の和:25011

約数の個数: 24

約数和(自身を含む): 83744640

約数和(自身を除く): 44366300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 24923, 49846, 99692, 124615, 249230, 498460, 1968917, 3937834, 7875668, 9844585, 19689170, 39378340]

約数ペア:

[(1, 39378340), (2, 19689170), (4, 9844585), (5, 7875668), (10, 3937834), (20, 1968917), (79, 498460), (158, 249230), (316, 124615), (395, 99692), (790, 49846), (1580, 24923)]