26288560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5387}}^1$

素因数の和:5461

約数の個数: 40

約数和(自身を含む): 62134416

約数和(自身を除く): 35845856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5387, 10774, 21548, 26935, 43096, 53870, 86192, 107740, 215480, 328607, 430960, 657214, 1314428, 1643035, 2628856, 3286070, 5257712, 6572140, 13144280, 26288560]

約数ペア:

[(1, 26288560), (2, 13144280), (4, 6572140), (5, 5257712), (8, 3286070), (10, 2628856), (16, 1643035), (20, 1314428), (40, 657214), (61, 430960), (80, 328607), (122, 215480), (244, 107740), (305, 86192), (488, 53870), (610, 43096), (976, 26935), (1220, 21548), (2440, 10774), (4880, 5387)]