56415920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64109}}^1$

素因数の和:64133

約数の個数: 40

約数和(自身を含む): 143093520

約数和(自身を除く): 86677600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 64109, 128218, 256436, 320545, 512872, 641090, 705199, 1025744, 1282180, 1410398, 2564360, 2820796, 3525995, 5128720, 5641592, 7051990, 11283184, 14103980, 28207960, 56415920]

約数ペア:

[(1, 56415920), (2, 28207960), (4, 14103980), (5, 11283184), (8, 7051990), (10, 5641592), (11, 5128720), (16, 3525995), (20, 2820796), (22, 2564360), (40, 1410398), (44, 1282180), (55, 1025744), (80, 705199), (88, 641090), (110, 512872), (176, 320545), (220, 256436), (440, 128218), (880, 64109)]