38982980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14879}}^1$

素因数の和:15019

約数の個数: 24

約数和(自身を含む): 82494720

約数和(自身を除く): 43511740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 14879, 29758, 59516, 74395, 148790, 297580, 1949149, 3898298, 7796596, 9745745, 19491490, 38982980]

約数ペア:

[(1, 38982980), (2, 19491490), (4, 9745745), (5, 7796596), (10, 3898298), (20, 1949149), (131, 297580), (262, 148790), (524, 74395), (655, 59516), (1310, 29758), (2620, 14879)]