80686768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{265417}}^1$

素因数の和:265444

約数の個数: 20

約数和(自身を含む): 164559160

約数和(自身を除く): 83872392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 265417, 530834, 1061668, 2123336, 4246672, 5042923, 10085846, 20171692, 40343384, 80686768]

約数ペア:

[(1, 80686768), (2, 40343384), (4, 20171692), (8, 10085846), (16, 5042923), (19, 4246672), (38, 2123336), (76, 1061668), (152, 530834), (304, 265417)]