52840000

素因数分解:

$2^6\times 5^4\times {\mathrm{1321}}^1$

素因数の和:1353

約数の個数: 70

約数和(自身を含む): 131125214

約数和(自身を除く): 78285214

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, 1321, 1600, 2000, 2500, 2642, 4000, 5000, 5284, 6605, 8000, 10000, 10568, 13210, 20000, 21136, 26420, 33025, 40000, 42272, 52840, 66050, 84544, 105680, 132100, 165125, 211360, 264200, 330250, 422720, 528400, 660500, 825625, 1056800, 1321000, 1651250, 2113600, 2642000, 3302500, 5284000, 6605000, 10568000, 13210000, 26420000, 52840000]

約数ペア:

[(1, 52840000), (2, 26420000), (4, 13210000), (5, 10568000), (8, 6605000), (10, 5284000), (16, 3302500), (20, 2642000), (25, 2113600), (32, 1651250), (40, 1321000), (50, 1056800), (64, 825625), (80, 660500), (100, 528400), (125, 422720), (160, 330250), (200, 264200), (250, 211360), (320, 165125), (400, 132100), (500, 105680), (625, 84544), (800, 66050), (1000, 52840), (1250, 42272), (1321, 40000), (1600, 33025), (2000, 26420), (2500, 21136), (2642, 20000), (4000, 13210), (5000, 10568), (5284, 10000), (6605, 8000)]