13149680

素因数分解:

$2^4\times 5^1\times {\mathrm{164371}}^1$

素因数の和:164384

約数の個数: 20

約数和(自身を含む): 30573192

約数和(自身を除く): 17423512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 164371, 328742, 657484, 821855, 1314968, 1643710, 2629936, 3287420, 6574840, 13149680]

約数ペア:

[(1, 13149680), (2, 6574840), (4, 3287420), (5, 2629936), (8, 1643710), (10, 1314968), (16, 821855), (20, 657484), (40, 328742), (80, 164371)]