56400640

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 136498320

約数和(自身を除く): 80097680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 317, 320, 556, 634, 640, 695, 1112, 1268, 1280, 1390, 1585, 2224, 2536, 2780, 3170, 4448, 5072, 5560, 6340, 8896, 10144, 11120, 12680, 17792, 20288, 22240, 25360, 35584, 40576, 44063, 44480, 50720, 81152, 88126, 88960, 101440, 176252, 177920, 202880, 220315, 352504, 405760, 440630, 705008, 881260, 1410016, 1762520, 2820032, 3525040, 5640064, 7050080, 11280128, 14100160, 28200320, 56400640]

約数ペア:

[(1, 56400640), (2, 28200320), (4, 14100160), (5, 11280128), (8, 7050080), (10, 5640064), (16, 3525040), (20, 2820032), (32, 1762520), (40, 1410016), (64, 881260), (80, 705008), (128, 440630), (139, 405760), (160, 352504), (256, 220315), (278, 202880), (317, 177920), (320, 176252), (556, 101440), (634, 88960), (640, 88126), (695, 81152), (1112, 50720), (1268, 44480), (1280, 44063), (1390, 40576), (1585, 35584), (2224, 25360), (2536, 22240), (2780, 20288), (3170, 17792), (4448, 12680), (5072, 11120), (5560, 10144), (6340, 8896)]