77828000

素因数分解:

$2^5\times 5^3\times {\mathrm{19457}}^1$

素因数の和:19482

約数の個数: 48

約数和(自身を含む): 191233224

約数和(自身を除く): 113405224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 19457, 38914, 77828, 97285, 155656, 194570, 311312, 389140, 486425, 622624, 778280, 972850, 1556560, 1945700, 2432125, 3113120, 3891400, 4864250, 7782800, 9728500, 15565600, 19457000, 38914000, 77828000]

約数ペア:

[(1, 77828000), (2, 38914000), (4, 19457000), (5, 15565600), (8, 9728500), (10, 7782800), (16, 4864250), (20, 3891400), (25, 3113120), (32, 2432125), (40, 1945700), (50, 1556560), (80, 972850), (100, 778280), (125, 622624), (160, 486425), (200, 389140), (250, 311312), (400, 194570), (500, 155656), (800, 97285), (1000, 77828), (2000, 38914), (4000, 19457)]