2172140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1621}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 4632432

約数和(自身を除く): 2460292

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1621, 3242, 6484, 8105, 16210, 32420, 108607, 217214, 434428, 543035, 1086070, 2172140]

約数ペア:

[(1, 2172140), (2, 1086070), (4, 543035), (5, 434428), (10, 217214), (20, 108607), (67, 32420), (134, 16210), (268, 8105), (335, 6484), (670, 3242), (1340, 1621)]