20160149860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2389}}^1\times {\mathrm{6917}}^1$

素因数の和:9376

約数の個数: 48

約数和(自身を含む): 43054588080

約数和(自身を除く): 22894438220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2389, 4778, 6917, 9556, 11945, 13834, 23890, 27668, 34585, 47780, 69170, 138340, 145729, 291458, 421937, 582916, 728645, 843874, 1457290, 1687748, 2109685, 2914580, 4219370, 8438740, 16524713, 33049426, 66098852, 82623565, 165247130, 330494260, 1008007493, 2016014986, 4032029972, 5040037465, 10080074930, 20160149860]

約数ペア:

[(1, 20160149860), (2, 10080074930), (4, 5040037465), (5, 4032029972), (10, 2016014986), (20, 1008007493), (61, 330494260), (122, 165247130), (244, 82623565), (305, 66098852), (610, 33049426), (1220, 16524713), (2389, 8438740), (4778, 4219370), (6917, 2914580), (9556, 2109685), (11945, 1687748), (13834, 1457290), (23890, 843874), (27668, 728645), (34585, 582916), (47780, 421937), (69170, 291458), (138340, 145729)]