8878000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 22516416

約数和(自身を除く): 13638416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 193, 200, 230, 250, 368, 386, 400, 460, 500, 575, 772, 920, 965, 1000, 1150, 1544, 1840, 1930, 2000, 2300, 2875, 3088, 3860, 4439, 4600, 4825, 5750, 7720, 8878, 9200, 9650, 11500, 15440, 17756, 19300, 22195, 23000, 24125, 35512, 38600, 44390, 46000, 48250, 71024, 77200, 88780, 96500, 110975, 177560, 193000, 221950, 355120, 386000, 443900, 554875, 887800, 1109750, 1775600, 2219500, 4439000, 8878000]

約数ペア:

[(1, 8878000), (2, 4439000), (4, 2219500), (5, 1775600), (8, 1109750), (10, 887800), (16, 554875), (20, 443900), (23, 386000), (25, 355120), (40, 221950), (46, 193000), (50, 177560), (80, 110975), (92, 96500), (100, 88780), (115, 77200), (125, 71024), (184, 48250), (193, 46000), (200, 44390), (230, 38600), (250, 35512), (368, 24125), (386, 23000), (400, 22195), (460, 19300), (500, 17756), (575, 15440), (772, 11500), (920, 9650), (965, 9200), (1000, 8878), (1150, 7720), (1544, 5750), (1840, 4825), (1930, 4600), (2000, 4439), (2300, 3860), (2875, 3088)]