10641280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1311

約数の個数: 64

約数和(自身を含む): 27417600

約数和(自身を除く): 16776320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1279, 1664, 2080, 2558, 4160, 5116, 6395, 8320, 10232, 12790, 16627, 20464, 25580, 33254, 40928, 51160, 66508, 81856, 83135, 102320, 133016, 163712, 166270, 204640, 266032, 332540, 409280, 532064, 665080, 818560, 1064128, 1330160, 2128256, 2660320, 5320640, 10641280]

約数ペア:

[(1, 10641280), (2, 5320640), (4, 2660320), (5, 2128256), (8, 1330160), (10, 1064128), (13, 818560), (16, 665080), (20, 532064), (26, 409280), (32, 332540), (40, 266032), (52, 204640), (64, 166270), (65, 163712), (80, 133016), (104, 102320), (128, 83135), (130, 81856), (160, 66508), (208, 51160), (260, 40928), (320, 33254), (416, 25580), (520, 20464), (640, 16627), (832, 12790), (1040, 10232), (1279, 8320), (1664, 6395), (2080, 5116), (2558, 4160)]