12718480

素因数分解:

$2^4\times 5^1\times {\mathrm{158981}}^1$

素因数の和:158994

約数の個数: 20

約数和(自身を含む): 29570652

約数和(自身を除く): 16852172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158981, 317962, 635924, 794905, 1271848, 1589810, 2543696, 3179620, 6359240, 12718480]

約数ペア:

[(1, 12718480), (2, 6359240), (4, 3179620), (5, 2543696), (8, 1589810), (10, 1271848), (16, 794905), (20, 635924), (40, 317962), (80, 158981)]