25657600

素因数分解:

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

素因数の和:256

約数の個数: 108

約数和(自身を含む): 67165840

約数和(自身を除く): 41508240

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, 608, 640, 760, 800, 844, 950, 1055, 1216, 1280, 1520, 1600, 1688, 1900, 2110, 2432, 3040, 3200, 3376, 3800, 4009, 4220, 4864, 5275, 6080, 6400, 6752, 7600, 8018, 8440, 10550, 12160, 13504, 15200, 16036, 16880, 20045, 21100, 24320, 27008, 30400, 32072, 33760, 40090, 42200, 54016, 60800, 64144, 67520, 80180, 84400, 100225, 121600, 128288, 135040, 160360, 168800, 200450, 256576, 270080, 320720, 337600, 400900, 513152, 641440, 675200, 801800, 1026304, 1282880, 1350400, 1603600, 2565760, 3207200, 5131520, 6414400, 12828800, 25657600]

約数ペア:

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