27884240

素因数分解:

$2^4\times 5^1\times {\mathrm{348553}}^1$

素因数の和:348566

約数の個数: 20

約数和(自身を含む): 64831044

約数和(自身を除く): 36946804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348553, 697106, 1394212, 1742765, 2788424, 3485530, 5576848, 6971060, 13942120, 27884240]

約数ペア:

[(1, 27884240), (2, 13942120), (4, 6971060), (5, 5576848), (8, 3485530), (10, 2788424), (16, 1742765), (20, 1394212), (40, 697106), (80, 348553)]