51315200

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 120

約数和(自身を含む): 134463120

約数和(自身を除く): 83147920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 211, 256, 304, 320, 380, 400, 422, 475, 512, 608, 640, 760, 800, 844, 950, 1055, 1216, 1280, 1520, 1600, 1688, 1900, 2110, 2432, 2560, 3040, 3200, 3376, 3800, 4009, 4220, 4864, 5275, 6080, 6400, 6752, 7600, 8018, 8440, 9728, 10550, 12160, 12800, 13504, 15200, 16036, 16880, 20045, 21100, 24320, 27008, 30400, 32072, 33760, 40090, 42200, 48640, 54016, 60800, 64144, 67520, 80180, 84400, 100225, 108032, 121600, 128288, 135040, 160360, 168800, 200450, 243200, 256576, 270080, 320720, 337600, 400900, 513152, 540160, 641440, 675200, 801800, 1026304, 1282880, 1350400, 1603600, 2052608, 2565760, 2700800, 3207200, 5131520, 6414400, 10263040, 12828800, 25657600, 51315200]

約数ペア:

[(1, 51315200), (2, 25657600), (4, 12828800), (5, 10263040), (8, 6414400), (10, 5131520), (16, 3207200), (19, 2700800), (20, 2565760), (25, 2052608), (32, 1603600), (38, 1350400), (40, 1282880), (50, 1026304), (64, 801800), (76, 675200), (80, 641440), (95, 540160), (100, 513152), (128, 400900), (152, 337600), (160, 320720), (190, 270080), (200, 256576), (211, 243200), (256, 200450), (304, 168800), (320, 160360), (380, 135040), (400, 128288), (422, 121600), (475, 108032), (512, 100225), (608, 84400), (640, 80180), (760, 67520), (800, 64144), (844, 60800), (950, 54016), (1055, 48640), (1216, 42200), (1280, 40090), (1520, 33760), (1600, 32072), (1688, 30400), (1900, 27008), (2110, 24320), (2432, 21100), (2560, 20045), (3040, 16880), (3200, 16036), (3376, 15200), (3800, 13504), (4009, 12800), (4220, 12160), (4864, 10550), (5275, 9728), (6080, 8440), (6400, 8018), (6752, 7600)]