4344280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1621}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 9926640

約数和(自身を除く): 5582360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1621, 2680, 3242, 6484, 8105, 12968, 16210, 32420, 64840, 108607, 217214, 434428, 543035, 868856, 1086070, 2172140, 4344280]

約数ペア:

[(1, 4344280), (2, 2172140), (4, 1086070), (5, 868856), (8, 543035), (10, 434428), (20, 217214), (40, 108607), (67, 64840), (134, 32420), (268, 16210), (335, 12968), (536, 8105), (670, 6484), (1340, 3242), (1621, 2680)]