12398480

素因数分解:

$2^4\times 5^1\times {\mathrm{154981}}^1$

素因数の和:154994

約数の個数: 20

約数和(自身を含む): 28826652

約数和(自身を除く): 16428172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154981, 309962, 619924, 774905, 1239848, 1549810, 2479696, 3099620, 6199240, 12398480]

約数ペア:

[(1, 12398480), (2, 6199240), (4, 3099620), (5, 2479696), (8, 1549810), (10, 1239848), (16, 774905), (20, 619924), (40, 309962), (80, 154981)]