128569600

素因数分解:

$2^8\times 5^2\times {\mathrm{20089}}^1$

素因数の和:20115

約数の個数: 54

約数和(自身を含む): 318245690

約数和(自身を除く): 189676090

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 20089, 40178, 80356, 100445, 160712, 200890, 321424, 401780, 502225, 642848, 803560, 1004450, 1285696, 1607120, 2008900, 2571392, 3214240, 4017800, 5142784, 6428480, 8035600, 12856960, 16071200, 25713920, 32142400, 64284800, 128569600]

約数ペア:

[(1, 128569600), (2, 64284800), (4, 32142400), (5, 25713920), (8, 16071200), (10, 12856960), (16, 8035600), (20, 6428480), (25, 5142784), (32, 4017800), (40, 3214240), (50, 2571392), (64, 2008900), (80, 1607120), (100, 1285696), (128, 1004450), (160, 803560), (200, 642848), (256, 502225), (320, 401780), (400, 321424), (640, 200890), (800, 160712), (1280, 100445), (1600, 80356), (3200, 40178), (6400, 20089)]