90004240

素因数分解:

$2^4\times 5^1\times {\mathrm{1125053}}^1$

素因数の和:1125066

約数の個数: 20

約数和(自身を含む): 209260044

約数和(自身を除く): 119255804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1125053, 2250106, 4500212, 5625265, 9000424, 11250530, 18000848, 22501060, 45002120, 90004240]

約数ペア:

[(1, 90004240), (2, 45002120), (4, 22501060), (5, 18000848), (8, 11250530), (10, 9000424), (16, 5625265), (20, 4500212), (40, 2250106), (80, 1125053)]