4428800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{173}}^1$

素因数の和:203

約数の個数: 66

約数和(自身を含む): 11041518

約数和(自身を除く): 6612718

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 173, 200, 256, 320, 346, 400, 512, 640, 692, 800, 865, 1024, 1280, 1384, 1600, 1730, 2560, 2768, 3200, 3460, 4325, 5120, 5536, 6400, 6920, 8650, 11072, 12800, 13840, 17300, 22144, 25600, 27680, 34600, 44288, 55360, 69200, 88576, 110720, 138400, 177152, 221440, 276800, 442880, 553600, 885760, 1107200, 2214400, 4428800]

約数ペア:

[(1, 4428800), (2, 2214400), (4, 1107200), (5, 885760), (8, 553600), (10, 442880), (16, 276800), (20, 221440), (25, 177152), (32, 138400), (40, 110720), (50, 88576), (64, 69200), (80, 55360), (100, 44288), (128, 34600), (160, 27680), (173, 25600), (200, 22144), (256, 17300), (320, 13840), (346, 12800), (400, 11072), (512, 8650), (640, 6920), (692, 6400), (800, 5536), (865, 5120), (1024, 4325), (1280, 3460), (1384, 3200), (1600, 2768), (1730, 2560)]