12570220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3719}}^1$

素因数の和:3754

約数の個数: 36

約数和(自身を含む): 28591920

約数和(自身を除く): 16021700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3719, 7438, 14876, 18595, 37190, 48347, 74380, 96694, 193388, 241735, 483470, 628511, 966940, 1257022, 2514044, 3142555, 6285110, 12570220]

約数ペア:

[(1, 12570220), (2, 6285110), (4, 3142555), (5, 2514044), (10, 1257022), (13, 966940), (20, 628511), (26, 483470), (52, 241735), (65, 193388), (130, 96694), (169, 74380), (260, 48347), (338, 37190), (676, 18595), (845, 14876), (1690, 7438), (3380, 3719)]