55683880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2890

約数の個数: 64

約数和(自身を含む): 145255680

約数和(自身を除く): 89571800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2801, 2840, 3976, 4970, 5602, 9940, 11204, 14005, 19607, 19880, 22408, 28010, 39214, 56020, 78428, 98035, 112040, 156856, 196070, 198871, 392140, 397742, 784280, 795484, 994355, 1392097, 1590968, 1988710, 2784194, 3977420, 5568388, 6960485, 7954840, 11136776, 13920970, 27841940, 55683880]

約数ペア:

[(1, 55683880), (2, 27841940), (4, 13920970), (5, 11136776), (7, 7954840), (8, 6960485), (10, 5568388), (14, 3977420), (20, 2784194), (28, 1988710), (35, 1590968), (40, 1392097), (56, 994355), (70, 795484), (71, 784280), (140, 397742), (142, 392140), (280, 198871), (284, 196070), (355, 156856), (497, 112040), (568, 98035), (710, 78428), (994, 56020), (1420, 39214), (1988, 28010), (2485, 22408), (2801, 19880), (2840, 19607), (3976, 14005), (4970, 11204), (5602, 9940)]