84005780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{59159}}^1$

素因数の和:59239

約数の個数: 24

約数和(自身を含む): 178899840

約数和(自身を除く): 94894060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 59159, 118318, 236636, 295795, 591590, 1183180, 4200289, 8400578, 16801156, 21001445, 42002890, 84005780]

約数ペア:

[(1, 84005780), (2, 42002890), (4, 21001445), (5, 16801156), (10, 8400578), (20, 4200289), (71, 1183180), (142, 591590), (284, 295795), (355, 236636), (710, 118318), (1420, 59159)]