28409600

素因数分解:

$2^8\times 5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 108

約数和(自身を含む): 73755696

約数和(自身を除く): 45346096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 193, 200, 230, 256, 320, 368, 386, 400, 460, 575, 640, 736, 772, 800, 920, 965, 1150, 1280, 1472, 1544, 1600, 1840, 1930, 2300, 2944, 3088, 3200, 3680, 3860, 4439, 4600, 4825, 5888, 6176, 6400, 7360, 7720, 8878, 9200, 9650, 12352, 14720, 15440, 17756, 18400, 19300, 22195, 24704, 29440, 30880, 35512, 36800, 38600, 44390, 49408, 61760, 71024, 73600, 77200, 88780, 110975, 123520, 142048, 147200, 154400, 177560, 221950, 247040, 284096, 308800, 355120, 443900, 568192, 617600, 710240, 887800, 1136384, 1235200, 1420480, 1775600, 2840960, 3551200, 5681920, 7102400, 14204800, 28409600]

約数ペア:

[(1, 28409600), (2, 14204800), (4, 7102400), (5, 5681920), (8, 3551200), (10, 2840960), (16, 1775600), (20, 1420480), (23, 1235200), (25, 1136384), (32, 887800), (40, 710240), (46, 617600), (50, 568192), (64, 443900), (80, 355120), (92, 308800), (100, 284096), (115, 247040), (128, 221950), (160, 177560), (184, 154400), (193, 147200), (200, 142048), (230, 123520), (256, 110975), (320, 88780), (368, 77200), (386, 73600), (400, 71024), (460, 61760), (575, 49408), (640, 44390), (736, 38600), (772, 36800), (800, 35512), (920, 30880), (965, 29440), (1150, 24704), (1280, 22195), (1472, 19300), (1544, 18400), (1600, 17756), (1840, 15440), (1930, 14720), (2300, 12352), (2944, 9650), (3088, 9200), (3200, 8878), (3680, 7720), (3860, 7360), (4439, 6400), (4600, 6176), (4825, 5888)]