12486640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1229}}^1$

素因数の和:1369

約数の個数: 40

約数和(自身を含む): 29283840

約数和(自身を除く): 16797200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1229, 1270, 2032, 2458, 2540, 4916, 5080, 6145, 9832, 10160, 12290, 19664, 24580, 49160, 98320, 156083, 312166, 624332, 780415, 1248664, 1560830, 2497328, 3121660, 6243320, 12486640]

約数ペア:

[(1, 12486640), (2, 6243320), (4, 3121660), (5, 2497328), (8, 1560830), (10, 1248664), (16, 780415), (20, 624332), (40, 312166), (80, 156083), (127, 98320), (254, 49160), (508, 24580), (635, 19664), (1016, 12290), (1229, 10160), (1270, 9832), (2032, 6145), (2458, 5080), (2540, 4916)]