203464720

素因数分解:

$2^4\times 5^1\times {\mathrm{2543309}}^1$

素因数の和:2543322

約数の個数: 20

約数和(自身を含む): 473055660

約数和(自身を除く): 269590940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2543309, 5086618, 10173236, 12716545, 20346472, 25433090, 40692944, 50866180, 101732360, 203464720]

約数ペア:

[(1, 203464720), (2, 101732360), (4, 50866180), (5, 40692944), (8, 25433090), (10, 20346472), (16, 12716545), (20, 10173236), (40, 5086618), (80, 2543309)]