203488720

素因数分解:

$2^4\times 5^1\times {\mathrm{2543609}}^1$

素因数の和:2543622

約数の個数: 20

約数和(自身を含む): 473111460

約数和(自身を除く): 269622740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2543609, 5087218, 10174436, 12718045, 20348872, 25436090, 40697744, 50872180, 101744360, 203488720]

約数ペア:

[(1, 203488720), (2, 101744360), (4, 50872180), (5, 40697744), (8, 25436090), (10, 20348872), (16, 12718045), (20, 10174436), (40, 5087218), (80, 2543609)]