28065920

素因数分解:

$2^7\times 5^1\times {\mathrm{43853}}^1$

素因数の和:43872

約数の個数: 32

約数和(自身を含む): 67096620

約数和(自身を除く): 39030700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43853, 87706, 175412, 219265, 350824, 438530, 701648, 877060, 1403296, 1754120, 2806592, 3508240, 5613184, 7016480, 14032960, 28065920]

約数ペア:

[(1, 28065920), (2, 14032960), (4, 7016480), (5, 5613184), (8, 3508240), (10, 2806592), (16, 1754120), (20, 1403296), (32, 877060), (40, 701648), (64, 438530), (80, 350824), (128, 219265), (160, 175412), (320, 87706), (640, 43853)]