144215440

素因数分解:

$2^4\times 5^1\times {\mathrm{1802693}}^1$

素因数の和:1802706

約数の個数: 20

約数和(自身を含む): 335301084

約数和(自身を除く): 191085644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1802693, 3605386, 7210772, 9013465, 14421544, 18026930, 28843088, 36053860, 72107720, 144215440]

約数ペア:

[(1, 144215440), (2, 72107720), (4, 36053860), (5, 28843088), (8, 18026930), (10, 14421544), (16, 9013465), (20, 7210772), (40, 3605386), (80, 1802693)]