268519040

素因数分解:

$2^7\times 5^1\times {\mathrm{419561}}^1$

素因数の和:419580

約数の個数: 32

約数和(自身を含む): 641929860

約数和(自身を除く): 373410820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 419561, 839122, 1678244, 2097805, 3356488, 4195610, 6712976, 8391220, 13425952, 16782440, 26851904, 33564880, 53703808, 67129760, 134259520, 268519040]

約数ペア:

[(1, 268519040), (2, 134259520), (4, 67129760), (5, 53703808), (8, 33564880), (10, 26851904), (16, 16782440), (20, 13425952), (32, 8391220), (40, 6712976), (64, 4195610), (80, 3356488), (128, 2097805), (160, 1678244), (320, 839122), (640, 419561)]