12898120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2677

約数の個数: 32

約数和(自身を含む): 29260800

約数和(自身を除く): 16362680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2539, 2540, 5078, 5080, 10156, 12695, 20312, 25390, 50780, 101560, 322453, 644906, 1289812, 1612265, 2579624, 3224530, 6449060, 12898120]

約数ペア:

[(1, 12898120), (2, 6449060), (4, 3224530), (5, 2579624), (8, 1612265), (10, 1289812), (20, 644906), (40, 322453), (127, 101560), (254, 50780), (508, 25390), (635, 20312), (1016, 12695), (1270, 10156), (2539, 5080), (2540, 5078)]