49144420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{189017}}^1$

素因数の和:189039

約数の個数: 24

約数和(自身を含む): 111142584

約数和(自身を除く): 61998164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 189017, 378034, 756068, 945085, 1890170, 2457221, 3780340, 4914442, 9828884, 12286105, 24572210, 49144420]

約数ペア:

[(1, 49144420), (2, 24572210), (4, 12286105), (5, 9828884), (10, 4914442), (13, 3780340), (20, 2457221), (26, 1890170), (52, 945085), (65, 756068), (130, 378034), (260, 189017)]