124455440

素因数分解:

$2^4\times 5^1\times {\mathrm{1555693}}^1$

素因数の和:1555706

約数の個数: 20

約数和(自身を含む): 289359084

約数和(自身を除く): 164903644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1555693, 3111386, 6222772, 7778465, 12445544, 15556930, 24891088, 31113860, 62227720, 124455440]

約数ペア:

[(1, 124455440), (2, 62227720), (4, 31113860), (5, 24891088), (8, 15556930), (10, 12445544), (16, 7778465), (20, 6222772), (40, 3111386), (80, 1555693)]