2123120000

素因数分解:

$2^7\times 5^4\times {\mathrm{26539}}^1$

素因数の和:26573

約数の個数: 80

約数和(自身を含む): 5285573700

約数和(自身を除く): 3162453700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 8000, 10000, 16000, 20000, 26539, 40000, 53078, 80000, 106156, 132695, 212312, 265390, 424624, 530780, 663475, 849248, 1061560, 1326950, 1698496, 2123120, 2653900, 3317375, 3396992, 4246240, 5307800, 6634750, 8492480, 10615600, 13269500, 16586875, 16984960, 21231200, 26539000, 33173750, 42462400, 53078000, 66347500, 84924800, 106156000, 132695000, 212312000, 265390000, 424624000, 530780000, 1061560000, 2123120000]

約数ペア:

[(1, 2123120000), (2, 1061560000), (4, 530780000), (5, 424624000), (8, 265390000), (10, 212312000), (16, 132695000), (20, 106156000), (25, 84924800), (32, 66347500), (40, 53078000), (50, 42462400), (64, 33173750), (80, 26539000), (100, 21231200), (125, 16984960), (128, 16586875), (160, 13269500), (200, 10615600), (250, 8492480), (320, 6634750), (400, 5307800), (500, 4246240), (625, 3396992), (640, 3317375), (800, 2653900), (1000, 2123120), (1250, 1698496), (1600, 1326950), (2000, 1061560), (2500, 849248), (3200, 663475), (4000, 530780), (5000, 424624), (8000, 265390), (10000, 212312), (16000, 132695), (20000, 106156), (26539, 80000), (40000, 53078)]