202113920

素因数分解:

$2^7\times 5^1\times {\mathrm{315803}}^1$

素因数の和:315822

約数の個数: 32

約数和(自身を含む): 483180120

約数和(自身を除く): 281066200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315803, 631606, 1263212, 1579015, 2526424, 3158030, 5052848, 6316060, 10105696, 12632120, 20211392, 25264240, 40422784, 50528480, 101056960, 202113920]

約数ペア:

[(1, 202113920), (2, 101056960), (4, 50528480), (5, 40422784), (8, 25264240), (10, 20211392), (16, 12632120), (20, 10105696), (32, 6316060), (40, 5052848), (64, 3158030), (80, 2526424), (128, 1579015), (160, 1263212), (320, 631606), (640, 315803)]