215047040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25847}}^1$

素因数の和:25879

約数の個数: 64

約数和(自身を含む): 553664160

約数和(自身を除く): 338617120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 25847, 51694, 103388, 129235, 206776, 258470, 336011, 413552, 516940, 672022, 827104, 1033880, 1344044, 1654208, 1680055, 2067760, 2688088, 3308416, 3360110, 4135520, 5376176, 6720220, 8271040, 10752352, 13440440, 16542080, 21504704, 26880880, 43009408, 53761760, 107523520, 215047040]

約数ペア:

[(1, 215047040), (2, 107523520), (4, 53761760), (5, 43009408), (8, 26880880), (10, 21504704), (13, 16542080), (16, 13440440), (20, 10752352), (26, 8271040), (32, 6720220), (40, 5376176), (52, 4135520), (64, 3360110), (65, 3308416), (80, 2688088), (104, 2067760), (128, 1680055), (130, 1654208), (160, 1344044), (208, 1033880), (260, 827104), (320, 672022), (416, 516940), (520, 413552), (640, 336011), (832, 258470), (1040, 206776), (1664, 129235), (2080, 103388), (4160, 51694), (8320, 25847)]