2037771520

素因数分解:

$2^8\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5119}}^1$

素因数の和:5451

約数の個数: 72

約数和(自身を含む): 4897751040

約数和(自身を除く): 2859979520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 622, 640, 1244, 1280, 1555, 2488, 3110, 4976, 5119, 6220, 9952, 10238, 12440, 19904, 20476, 24880, 25595, 39808, 40952, 49760, 51190, 79616, 81904, 99520, 102380, 163808, 199040, 204760, 327616, 398080, 409520, 655232, 819040, 1310464, 1592009, 1638080, 3184018, 3276160, 6368036, 6552320, 7960045, 12736072, 15920090, 25472144, 31840180, 50944288, 63680360, 101888576, 127360720, 203777152, 254721440, 407554304, 509442880, 1018885760, 2037771520]

約数ペア:

[(1, 2037771520), (2, 1018885760), (4, 509442880), (5, 407554304), (8, 254721440), (10, 203777152), (16, 127360720), (20, 101888576), (32, 63680360), (40, 50944288), (64, 31840180), (80, 25472144), (128, 15920090), (160, 12736072), (256, 7960045), (311, 6552320), (320, 6368036), (622, 3276160), (640, 3184018), (1244, 1638080), (1280, 1592009), (1555, 1310464), (2488, 819040), (3110, 655232), (4976, 409520), (5119, 398080), (6220, 327616), (9952, 204760), (10238, 199040), (12440, 163808), (19904, 102380), (20476, 99520), (24880, 81904), (25595, 79616), (39808, 51190), (40952, 49760)]