4556800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 11425050

約数和(自身を除く): 6868250

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 128, 160, 178, 200, 256, 320, 356, 400, 445, 512, 640, 712, 800, 890, 1024, 1280, 1424, 1600, 1780, 2048, 2225, 2560, 2848, 3200, 3560, 4450, 5120, 5696, 6400, 7120, 8900, 10240, 11392, 12800, 14240, 17800, 22784, 25600, 28480, 35600, 45568, 51200, 56960, 71200, 91136, 113920, 142400, 182272, 227840, 284800, 455680, 569600, 911360, 1139200, 2278400, 4556800]

約数ペア:

[(1, 4556800), (2, 2278400), (4, 1139200), (5, 911360), (8, 569600), (10, 455680), (16, 284800), (20, 227840), (25, 182272), (32, 142400), (40, 113920), (50, 91136), (64, 71200), (80, 56960), (89, 51200), (100, 45568), (128, 35600), (160, 28480), (178, 25600), (200, 22784), (256, 17800), (320, 14240), (356, 12800), (400, 11392), (445, 10240), (512, 8900), (640, 7120), (712, 6400), (800, 5696), (890, 5120), (1024, 4450), (1280, 3560), (1424, 3200), (1600, 2848), (1780, 2560), (2048, 2225)]