12672920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24371}}^1$

素因数の和:24395

約数の個数: 32

約数和(自身を含む): 30708720

約数和(自身を除く): 18035800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24371, 48742, 97484, 121855, 194968, 243710, 316823, 487420, 633646, 974840, 1267292, 1584115, 2534584, 3168230, 6336460, 12672920]

約数ペア:

[(1, 12672920), (2, 6336460), (4, 3168230), (5, 2534584), (8, 1584115), (10, 1267292), (13, 974840), (20, 633646), (26, 487420), (40, 316823), (52, 243710), (65, 194968), (104, 121855), (130, 97484), (260, 48742), (520, 24371)]