38891120

素因数分解:

$2^4\times 5^1\times {\mathrm{486139}}^1$

素因数の和:486152

約数の個数: 20

約数和(自身を含む): 90422040

約数和(自身を除く): 51530920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486139, 972278, 1944556, 2430695, 3889112, 4861390, 7778224, 9722780, 19445560, 38891120]

約数ペア:

[(1, 38891120), (2, 19445560), (4, 9722780), (5, 7778224), (8, 4861390), (10, 3889112), (16, 2430695), (20, 1944556), (40, 972278), (80, 486139)]