51777280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2169

約数の個数: 72

約数和(自身を含む): 130611600

約数和(自身を除く): 78834320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2129, 2432, 3040, 4258, 4864, 6080, 8516, 10645, 12160, 17032, 21290, 24320, 34064, 40451, 42580, 68128, 80902, 85160, 136256, 161804, 170320, 202255, 272512, 323608, 340640, 404510, 545024, 647216, 681280, 809020, 1294432, 1362560, 1618040, 2588864, 2725120, 3236080, 5177728, 6472160, 10355456, 12944320, 25888640, 51777280]

約数ペア:

[(1, 51777280), (2, 25888640), (4, 12944320), (5, 10355456), (8, 6472160), (10, 5177728), (16, 3236080), (19, 2725120), (20, 2588864), (32, 1618040), (38, 1362560), (40, 1294432), (64, 809020), (76, 681280), (80, 647216), (95, 545024), (128, 404510), (152, 340640), (160, 323608), (190, 272512), (256, 202255), (304, 170320), (320, 161804), (380, 136256), (608, 85160), (640, 80902), (760, 68128), (1216, 42580), (1280, 40451), (1520, 34064), (2129, 24320), (2432, 21290), (3040, 17032), (4258, 12160), (4864, 10645), (6080, 8516)]