128840000

素因数分解:

$2^6\times 5^4\times {\mathrm{3221}}^1$

素因数の和:3253

約数の個数: 70

約数和(自身を含む): 319580514

約数和(自身を除く): 190740514

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2500, 3221, 4000, 5000, 6442, 8000, 10000, 12884, 16105, 20000, 25768, 32210, 40000, 51536, 64420, 80525, 103072, 128840, 161050, 206144, 257680, 322100, 402625, 515360, 644200, 805250, 1030720, 1288400, 1610500, 2013125, 2576800, 3221000, 4026250, 5153600, 6442000, 8052500, 12884000, 16105000, 25768000, 32210000, 64420000, 128840000]

約数ペア:

[(1, 128840000), (2, 64420000), (4, 32210000), (5, 25768000), (8, 16105000), (10, 12884000), (16, 8052500), (20, 6442000), (25, 5153600), (32, 4026250), (40, 3221000), (50, 2576800), (64, 2013125), (80, 1610500), (100, 1288400), (125, 1030720), (160, 805250), (200, 644200), (250, 515360), (320, 402625), (400, 322100), (500, 257680), (625, 206144), (800, 161050), (1000, 128840), (1250, 103072), (1600, 80525), (2000, 64420), (2500, 51536), (3221, 40000), (4000, 32210), (5000, 25768), (6442, 20000), (8000, 16105), (10000, 12884)]