30838480

素因数分解:

$2^4\times 5^1\times {\mathrm{385481}}^1$

素因数の和:385494

約数の個数: 20

約数和(自身を含む): 71699652

約数和(自身を除く): 40861172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385481, 770962, 1541924, 1927405, 3083848, 3854810, 6167696, 7709620, 15419240, 30838480]

約数ペア:

[(1, 30838480), (2, 15419240), (4, 7709620), (5, 6167696), (8, 3854810), (10, 3083848), (16, 1927405), (20, 1541924), (40, 770962), (80, 385481)]