42544640

素因数分解:

$2^9\times 5^1\times {\mathrm{16619}}^1$

素因数の和:16642

約数の個数: 40

約数和(自身を含む): 102013560

約数和(自身を除く): 59468920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 16619, 33238, 66476, 83095, 132952, 166190, 265904, 332380, 531808, 664760, 1063616, 1329520, 2127232, 2659040, 4254464, 5318080, 8508928, 10636160, 21272320, 42544640]

約数ペア:

[(1, 42544640), (2, 21272320), (4, 10636160), (5, 8508928), (8, 5318080), (10, 4254464), (16, 2659040), (20, 2127232), (32, 1329520), (40, 1063616), (64, 664760), (80, 531808), (128, 332380), (160, 265904), (256, 166190), (320, 132952), (512, 83095), (640, 66476), (1280, 33238), (2560, 16619)]