13054840

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{839}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 29484000

約数和(自身を除く): 16429160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 839, 1556, 1678, 1945, 3112, 3356, 3890, 4195, 6712, 7780, 8390, 15560, 16780, 33560, 326371, 652742, 1305484, 1631855, 2610968, 3263710, 6527420, 13054840]

約数ペア:

[(1, 13054840), (2, 6527420), (4, 3263710), (5, 2610968), (8, 1631855), (10, 1305484), (20, 652742), (40, 326371), (389, 33560), (778, 16780), (839, 15560), (1556, 8390), (1678, 7780), (1945, 6712), (3112, 4195), (3356, 3890)]