85789940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 190451520

約数和(自身を除く): 104661580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 401, 563, 802, 1126, 1604, 2005, 2252, 2815, 4010, 5630, 7619, 8020, 10697, 11260, 15238, 21394, 30476, 38095, 42788, 53485, 76190, 106970, 152380, 213940, 225763, 451526, 903052, 1128815, 2257630, 4289497, 4515260, 8578994, 17157988, 21447485, 42894970, 85789940]

約数ペア:

[(1, 85789940), (2, 42894970), (4, 21447485), (5, 17157988), (10, 8578994), (19, 4515260), (20, 4289497), (38, 2257630), (76, 1128815), (95, 903052), (190, 451526), (380, 225763), (401, 213940), (563, 152380), (802, 106970), (1126, 76190), (1604, 53485), (2005, 42788), (2252, 38095), (2815, 30476), (4010, 21394), (5630, 15238), (7619, 11260), (8020, 10697)]