81640070

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{138373}}^1$

素因数の和:138439

約数の個数: 16

約数和(自身を含む): 149443920

約数和(自身を除く): 67803850

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 138373, 276746, 691865, 1383730, 8164007, 16328014, 40820035, 81640070]

約数ペア:

[(1, 81640070), (2, 40820035), (5, 16328014), (10, 8164007), (59, 1383730), (118, 691865), (295, 276746), (590, 138373)]