21556200640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5181779}}^1$

素因数の和:5181809

約数の個数: 56

約数和(自身を含む): 55279229040

約数和(自身を除く): 33723028400

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, 2080, 4160, 5181779, 10363558, 20727116, 25908895, 41454232, 51817790, 67363127, 82908464, 103635580, 134726254, 165816928, 207271160, 269452508, 331633856, 336815635, 414542320, 538905016, 673631270, 829084640, 1077810032, 1347262540, 1658169280, 2155620064, 2694525080, 4311240128, 5389050160, 10778100320, 21556200640]

約数ペア:

[(1, 21556200640), (2, 10778100320), (4, 5389050160), (5, 4311240128), (8, 2694525080), (10, 2155620064), (13, 1658169280), (16, 1347262540), (20, 1077810032), (26, 829084640), (32, 673631270), (40, 538905016), (52, 414542320), (64, 336815635), (65, 331633856), (80, 269452508), (104, 207271160), (130, 165816928), (160, 134726254), (208, 103635580), (260, 82908464), (320, 67363127), (416, 51817790), (520, 41454232), (832, 25908895), (1040, 20727116), (2080, 10363558), (4160, 5181779)]