5320640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 56

約数和(自身を含む): 13655040

約数和(自身を除く): 8334400

約数列:

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

約数ペア:

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