7886020

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1117}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 16622424

約数和(自身を除く): 8736404

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1117, 1412, 1765, 2234, 3530, 4468, 5585, 7060, 11170, 22340, 394301, 788602, 1577204, 1971505, 3943010, 7886020]

約数ペア:

[(1, 7886020), (2, 3943010), (4, 1971505), (5, 1577204), (10, 788602), (20, 394301), (353, 22340), (706, 11170), (1117, 7060), (1412, 5585), (1765, 4468), (2234, 3530)]