12961600

素因数分解:

$2^6\times 5^2\times {\mathrm{8101}}^1$

素因数の和:8123

約数の個数: 42

約数和(自身を含む): 31897574

約数和(自身を除く): 18935974

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 8101, 16202, 32404, 40505, 64808, 81010, 129616, 162020, 202525, 259232, 324040, 405050, 518464, 648080, 810100, 1296160, 1620200, 2592320, 3240400, 6480800, 12961600]

約数ペア:

[(1, 12961600), (2, 6480800), (4, 3240400), (5, 2592320), (8, 1620200), (10, 1296160), (16, 810100), (20, 648080), (25, 518464), (32, 405050), (40, 324040), (50, 259232), (64, 202525), (80, 162020), (100, 129616), (160, 81010), (200, 64808), (320, 40505), (400, 32404), (800, 16202), (1600, 8101)]