26742920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6491}}^1$

素因数の和:6605

約数の個数: 32

約数和(自身を含む): 60765120

約数和(自身を除く): 34022200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6491, 12982, 25964, 32455, 51928, 64910, 129820, 259640, 668573, 1337146, 2674292, 3342865, 5348584, 6685730, 13371460, 26742920]

約数ペア:

[(1, 26742920), (2, 13371460), (4, 6685730), (5, 5348584), (8, 3342865), (10, 2674292), (20, 1337146), (40, 668573), (103, 259640), (206, 129820), (412, 64910), (515, 51928), (824, 32455), (1030, 25964), (2060, 12982), (4120, 6491)]