80306560

素因数分解:

$2^7\times 5^1\times {\mathrm{179}}^1\times {\mathrm{701}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 193330800

約数和(自身を除く): 113024240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 320, 358, 640, 701, 716, 895, 1402, 1432, 1790, 2804, 2864, 3505, 3580, 5608, 5728, 7010, 7160, 11216, 11456, 14020, 14320, 22432, 22912, 28040, 28640, 44864, 56080, 57280, 89728, 112160, 114560, 125479, 224320, 250958, 448640, 501916, 627395, 1003832, 1254790, 2007664, 2509580, 4015328, 5019160, 8030656, 10038320, 16061312, 20076640, 40153280, 80306560]

約数ペア:

[(1, 80306560), (2, 40153280), (4, 20076640), (5, 16061312), (8, 10038320), (10, 8030656), (16, 5019160), (20, 4015328), (32, 2509580), (40, 2007664), (64, 1254790), (80, 1003832), (128, 627395), (160, 501916), (179, 448640), (320, 250958), (358, 224320), (640, 125479), (701, 114560), (716, 112160), (895, 89728), (1402, 57280), (1432, 56080), (1790, 44864), (2804, 28640), (2864, 28040), (3505, 22912), (3580, 22432), (5608, 14320), (5728, 14020), (7010, 11456), (7160, 11216)]