31887860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21841}}^1$

素因数の和:21923

約数の個数: 24

約数和(自身を含む): 67884936

約数和(自身を除く): 35997076

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 21841, 43682, 87364, 109205, 218410, 436820, 1594393, 3188786, 6377572, 7971965, 15943930, 31887860]

約数ペア:

[(1, 31887860), (2, 15943930), (4, 7971965), (5, 6377572), (10, 3188786), (20, 1594393), (73, 436820), (146, 218410), (292, 109205), (365, 87364), (730, 43682), (1460, 21841)]