71996000

素因数分解:

$2^5\times 5^3\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 181621440

約数和(自身を除く): 109625440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 125, 160, 164, 200, 205, 250, 328, 400, 410, 439, 500, 656, 800, 820, 878, 1000, 1025, 1312, 1640, 1756, 2000, 2050, 2195, 3280, 3512, 4000, 4100, 4390, 5125, 6560, 7024, 8200, 8780, 10250, 10975, 14048, 16400, 17560, 17999, 20500, 21950, 32800, 35120, 35998, 41000, 43900, 54875, 70240, 71996, 82000, 87800, 89995, 109750, 143992, 164000, 175600, 179990, 219500, 287984, 351200, 359980, 439000, 449975, 575968, 719960, 878000, 899950, 1439920, 1756000, 1799900, 2249875, 2879840, 3599800, 4499750, 7199600, 8999500, 14399200, 17999000, 35998000, 71996000]

約数ペア:

[(1, 71996000), (2, 35998000), (4, 17999000), (5, 14399200), (8, 8999500), (10, 7199600), (16, 4499750), (20, 3599800), (25, 2879840), (32, 2249875), (40, 1799900), (41, 1756000), (50, 1439920), (80, 899950), (82, 878000), (100, 719960), (125, 575968), (160, 449975), (164, 439000), (200, 359980), (205, 351200), (250, 287984), (328, 219500), (400, 179990), (410, 175600), (439, 164000), (500, 143992), (656, 109750), (800, 89995), (820, 87800), (878, 82000), (1000, 71996), (1025, 70240), (1312, 54875), (1640, 43900), (1756, 41000), (2000, 35998), (2050, 35120), (2195, 32800), (3280, 21950), (3512, 20500), (4000, 17999), (4100, 17560), (4390, 16400), (5125, 14048), (6560, 10975), (7024, 10250), (8200, 8780)]