5131520

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 12999840

約数和(自身を除く): 7868320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 211, 256, 304, 320, 380, 422, 608, 640, 760, 844, 1055, 1216, 1280, 1520, 1688, 2110, 2432, 3040, 3376, 4009, 4220, 4864, 6080, 6752, 8018, 8440, 12160, 13504, 16036, 16880, 20045, 24320, 27008, 32072, 33760, 40090, 54016, 64144, 67520, 80180, 128288, 135040, 160360, 256576, 270080, 320720, 513152, 641440, 1026304, 1282880, 2565760, 5131520]

約数ペア:

[(1, 5131520), (2, 2565760), (4, 1282880), (5, 1026304), (8, 641440), (10, 513152), (16, 320720), (19, 270080), (20, 256576), (32, 160360), (38, 135040), (40, 128288), (64, 80180), (76, 67520), (80, 64144), (95, 54016), (128, 40090), (152, 33760), (160, 32072), (190, 27008), (211, 24320), (256, 20045), (304, 16880), (320, 16036), (380, 13504), (422, 12160), (608, 8440), (640, 8018), (760, 6752), (844, 6080), (1055, 4864), (1216, 4220), (1280, 4009), (1520, 3376), (1688, 3040), (2110, 2432)]