385647580

素因数分解:

$2^2\times 5^1\times {\mathrm{4153}}^1\times {\mathrm{4643}}^1$

素因数の和:8805

約数の個数: 24

約数和(自身を含む): 810229392

約数和(自身を除く): 424581812

約数列:

[1, 2, 4, 5, 10, 20, 4153, 4643, 8306, 9286, 16612, 18572, 20765, 23215, 41530, 46430, 83060, 92860, 19282379, 38564758, 77129516, 96411895, 192823790, 385647580]

約数ペア:

[(1, 385647580), (2, 192823790), (4, 96411895), (5, 77129516), (10, 38564758), (20, 19282379), (4153, 92860), (4643, 83060), (8306, 46430), (9286, 41530), (16612, 23215), (18572, 20765)]