26405830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 52955280

約数和(自身を除く): 26549450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 139, 157, 242, 278, 314, 605, 695, 785, 1210, 1390, 1529, 1570, 1727, 3058, 3454, 7645, 8635, 15290, 16819, 17270, 18997, 21823, 33638, 37994, 43646, 84095, 94985, 109115, 168190, 189970, 218230, 240053, 480106, 1200265, 2400530, 2640583, 5281166, 13202915, 26405830]

約数ペア:

[(1, 26405830), (2, 13202915), (5, 5281166), (10, 2640583), (11, 2400530), (22, 1200265), (55, 480106), (110, 240053), (121, 218230), (139, 189970), (157, 168190), (242, 109115), (278, 94985), (314, 84095), (605, 43646), (695, 37994), (785, 33638), (1210, 21823), (1390, 18997), (1529, 17270), (1570, 16819), (1727, 15290), (3058, 8635), (3454, 7645)]