2018031440

素因数分解:

$2^4\times 5^1\times {\mathrm{887}}^1\times {\mathrm{28439}}^1$

素因数の和:29339

約数の個数: 40

約数和(自身を含む): 4697377920

約数和(自身を除く): 2679346480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 887, 1774, 3548, 4435, 7096, 8870, 14192, 17740, 28439, 35480, 56878, 70960, 113756, 142195, 227512, 284390, 455024, 568780, 1137560, 2275120, 25225393, 50450786, 100901572, 126126965, 201803144, 252253930, 403606288, 504507860, 1009015720, 2018031440]

約数ペア:

[(1, 2018031440), (2, 1009015720), (4, 504507860), (5, 403606288), (8, 252253930), (10, 201803144), (16, 126126965), (20, 100901572), (40, 50450786), (80, 25225393), (887, 2275120), (1774, 1137560), (3548, 568780), (4435, 455024), (7096, 284390), (8870, 227512), (14192, 142195), (17740, 113756), (28439, 70960), (35480, 56878)]