54404740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209249}}^1$

素因数の和:209271

約数の個数: 24

約数和(自身を含む): 123039000

約数和(自身を除く): 68634260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 209249, 418498, 836996, 1046245, 2092490, 2720237, 4184980, 5440474, 10880948, 13601185, 27202370, 54404740]

約数ペア:

[(1, 54404740), (2, 27202370), (4, 13601185), (5, 10880948), (10, 5440474), (13, 4184980), (20, 2720237), (26, 2092490), (52, 1046245), (65, 836996), (130, 418498), (260, 209249)]