51916540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199679}}^1$

素因数の和:199701

約数の個数: 24

約数和(自身を含む): 117411840

約数和(自身を除く): 65495300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 199679, 399358, 798716, 998395, 1996790, 2595827, 3993580, 5191654, 10383308, 12979135, 25958270, 51916540]

約数ペア:

[(1, 51916540), (2, 25958270), (4, 12979135), (5, 10383308), (10, 5191654), (13, 3993580), (20, 2595827), (26, 1996790), (52, 998395), (65, 798716), (130, 399358), (260, 199679)]