28001920

素因数分解:

$2^7\times 5^1\times {\mathrm{43753}}^1$

素因数の和:43772

約数の個数: 32

約数和(自身を含む): 66943620

約数和(自身を除く): 38941700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43753, 87506, 175012, 218765, 350024, 437530, 700048, 875060, 1400096, 1750120, 2800192, 3500240, 5600384, 7000480, 14000960, 28001920]

約数ペア:

[(1, 28001920), (2, 14000960), (4, 7000480), (5, 5600384), (8, 3500240), (10, 2800192), (16, 1750120), (20, 1400096), (32, 875060), (40, 700048), (64, 437530), (80, 350024), (128, 218765), (160, 175012), (320, 87506), (640, 43753)]