48640000

素因数分解:

$2^{12}\times 5^4\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 130

約数和(自身を含む): 127943420

約数和(自身を除く): 79303420

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 256, 304, 320, 380, 400, 475, 500, 512, 608, 625, 640, 760, 800, 950, 1000, 1024, 1216, 1250, 1280, 1520, 1600, 1900, 2000, 2048, 2375, 2432, 2500, 2560, 3040, 3200, 3800, 4000, 4096, 4750, 4864, 5000, 5120, 6080, 6400, 7600, 8000, 9500, 9728, 10000, 10240, 11875, 12160, 12800, 15200, 16000, 19000, 19456, 20000, 20480, 23750, 24320, 25600, 30400, 32000, 38000, 38912, 40000, 47500, 48640, 51200, 60800, 64000, 76000, 77824, 80000, 95000, 97280, 102400, 121600, 128000, 152000, 160000, 190000, 194560, 243200, 256000, 304000, 320000, 380000, 389120, 486400, 512000, 608000, 640000, 760000, 972800, 1216000, 1280000, 1520000, 1945600, 2432000, 2560000, 3040000, 4864000, 6080000, 9728000, 12160000, 24320000, 48640000]

約数ペア:

[(1, 48640000), (2, 24320000), (4, 12160000), (5, 9728000), (8, 6080000), (10, 4864000), (16, 3040000), (19, 2560000), (20, 2432000), (25, 1945600), (32, 1520000), (38, 1280000), (40, 1216000), (50, 972800), (64, 760000), (76, 640000), (80, 608000), (95, 512000), (100, 486400), (125, 389120), (128, 380000), (152, 320000), (160, 304000), (190, 256000), (200, 243200), (250, 194560), (256, 190000), (304, 160000), (320, 152000), (380, 128000), (400, 121600), (475, 102400), (500, 97280), (512, 95000), (608, 80000), (625, 77824), (640, 76000), (760, 64000), (800, 60800), (950, 51200), (1000, 48640), (1024, 47500), (1216, 40000), (1250, 38912), (1280, 38000), (1520, 32000), (1600, 30400), (1900, 25600), (2000, 24320), (2048, 23750), (2375, 20480), (2432, 20000), (2500, 19456), (2560, 19000), (3040, 16000), (3200, 15200), (3800, 12800), (4000, 12160), (4096, 11875), (4750, 10240), (4864, 10000), (5000, 9728), (5120, 9500), (6080, 8000), (6400, 7600)]