28641280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2797}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 68746860

約数和(自身を除く): 40105580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 2797, 5120, 5594, 10240, 11188, 13985, 22376, 27970, 44752, 55940, 89504, 111880, 179008, 223760, 358016, 447520, 716032, 895040, 1432064, 1790080, 2864128, 3580160, 5728256, 7160320, 14320640, 28641280]

約数ペア:

[(1, 28641280), (2, 14320640), (4, 7160320), (5, 5728256), (8, 3580160), (10, 2864128), (16, 1790080), (20, 1432064), (32, 895040), (40, 716032), (64, 447520), (80, 358016), (128, 223760), (160, 179008), (256, 111880), (320, 89504), (512, 55940), (640, 44752), (1024, 27970), (1280, 22376), (2048, 13985), (2560, 11188), (2797, 10240), (5120, 5594)]