7540806820

素因数分解:

$2^2\times 5^1\times {\mathrm{3361}}^1\times {\mathrm{112181}}^1$

素因数の和:115551

約数の個数: 24

約数和(自身を含む): 15840547128

約数和(自身を除く): 8299740308

約数列:

[1, 2, 4, 5, 10, 20, 3361, 6722, 13444, 16805, 33610, 67220, 112181, 224362, 448724, 560905, 1121810, 2243620, 377040341, 754080682, 1508161364, 1885201705, 3770403410, 7540806820]

約数ペア:

[(1, 7540806820), (2, 3770403410), (4, 1885201705), (5, 1508161364), (10, 754080682), (20, 377040341), (3361, 2243620), (6722, 1121810), (13444, 560905), (16805, 448724), (33610, 224362), (67220, 112181)]