38240000

素因数分解:

$2^8\times 5^4\times {\mathrm{239}}^1$

素因数の和:275

約数の個数: 90

約数和(自身を含む): 95781840

約数和(自身を除く): 57541840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 239, 250, 256, 320, 400, 478, 500, 625, 640, 800, 956, 1000, 1195, 1250, 1280, 1600, 1912, 2000, 2390, 2500, 3200, 3824, 4000, 4780, 5000, 5975, 6400, 7648, 8000, 9560, 10000, 11950, 15296, 16000, 19120, 20000, 23900, 29875, 30592, 32000, 38240, 40000, 47800, 59750, 61184, 76480, 80000, 95600, 119500, 149375, 152960, 160000, 191200, 239000, 298750, 305920, 382400, 478000, 597500, 764800, 956000, 1195000, 1529600, 1912000, 2390000, 3824000, 4780000, 7648000, 9560000, 19120000, 38240000]

約数ペア:

[(1, 38240000), (2, 19120000), (4, 9560000), (5, 7648000), (8, 4780000), (10, 3824000), (16, 2390000), (20, 1912000), (25, 1529600), (32, 1195000), (40, 956000), (50, 764800), (64, 597500), (80, 478000), (100, 382400), (125, 305920), (128, 298750), (160, 239000), (200, 191200), (239, 160000), (250, 152960), (256, 149375), (320, 119500), (400, 95600), (478, 80000), (500, 76480), (625, 61184), (640, 59750), (800, 47800), (956, 40000), (1000, 38240), (1195, 32000), (1250, 30592), (1280, 29875), (1600, 23900), (1912, 20000), (2000, 19120), (2390, 16000), (2500, 15296), (3200, 11950), (3824, 10000), (4000, 9560), (4780, 8000), (5000, 7648), (5975, 6400)]