2605020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3947}}^1$

素因数の和:3970

約数の個数: 48

約数和(自身を含む): 7959168

約数和(自身を除く): 5354148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 3947, 7894, 11841, 15788, 19735, 23682, 39470, 43417, 47364, 59205, 78940, 86834, 118410, 130251, 173668, 217085, 236820, 260502, 434170, 521004, 651255, 868340, 1302510, 2605020]

約数ペア:

[(1, 2605020), (2, 1302510), (3, 868340), (4, 651255), (5, 521004), (6, 434170), (10, 260502), (11, 236820), (12, 217085), (15, 173668), (20, 130251), (22, 118410), (30, 86834), (33, 78940), (44, 59205), (55, 47364), (60, 43417), (66, 39470), (110, 23682), (132, 19735), (165, 15788), (220, 11841), (330, 7894), (660, 3947)]