905888960

素因数分解:

$2^6\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{2143}}^1$

素因数の和:3481

約数の個数: 56

約数和(自身を含む): 2159788416

約数和(自身を除く): 1253899456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1321, 2143, 2642, 4286, 5284, 6605, 8572, 10568, 10715, 13210, 17144, 21136, 21430, 26420, 34288, 42272, 42860, 52840, 68576, 84544, 85720, 105680, 137152, 171440, 211360, 342880, 422720, 685760, 2830903, 5661806, 11323612, 14154515, 22647224, 28309030, 45294448, 56618060, 90588896, 113236120, 181177792, 226472240, 452944480, 905888960]

約数ペア:

[(1, 905888960), (2, 452944480), (4, 226472240), (5, 181177792), (8, 113236120), (10, 90588896), (16, 56618060), (20, 45294448), (32, 28309030), (40, 22647224), (64, 14154515), (80, 11323612), (160, 5661806), (320, 2830903), (1321, 685760), (2143, 422720), (2642, 342880), (4286, 211360), (5284, 171440), (6605, 137152), (8572, 105680), (10568, 85720), (10715, 84544), (13210, 68576), (17144, 52840), (21136, 42860), (21430, 42272), (26420, 34288)]