2080251680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1000121}}^1$

素因数の和:1000149

約数の個数: 48

約数和(自身を含む): 5292645624

約数和(自身を除く): 3212393944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 1000121, 2000242, 4000484, 5000605, 8000968, 10001210, 13001573, 16001936, 20002420, 26003146, 32003872, 40004840, 52006292, 65007865, 80009680, 104012584, 130015730, 160019360, 208025168, 260031460, 416050336, 520062920, 1040125840, 2080251680]

約数ペア:

[(1, 2080251680), (2, 1040125840), (4, 520062920), (5, 416050336), (8, 260031460), (10, 208025168), (13, 160019360), (16, 130015730), (20, 104012584), (26, 80009680), (32, 65007865), (40, 52006292), (52, 40004840), (65, 32003872), (80, 26003146), (104, 20002420), (130, 16001936), (160, 13001573), (208, 10001210), (260, 8000968), (416, 5000605), (520, 4000484), (1040, 2000242), (2080, 1000121)]