8688560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1621}}^1$

素因数の和:1701

約数の個数: 40

約数和(自身を含む): 20515056

約数和(自身を除く): 11826496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1621, 2680, 3242, 5360, 6484, 8105, 12968, 16210, 25936, 32420, 64840, 108607, 129680, 217214, 434428, 543035, 868856, 1086070, 1737712, 2172140, 4344280, 8688560]

約数ペア:

[(1, 8688560), (2, 4344280), (4, 2172140), (5, 1737712), (8, 1086070), (10, 868856), (16, 543035), (20, 434428), (40, 217214), (67, 129680), (80, 108607), (134, 64840), (268, 32420), (335, 25936), (536, 16210), (670, 12968), (1072, 8105), (1340, 6484), (1621, 5360), (2680, 3242)]