12727780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48953}}^1$

素因数の和:48975

約数の個数: 24

約数和(自身を含む): 28784952

約数和(自身を除く): 16057172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48953, 97906, 195812, 244765, 489530, 636389, 979060, 1272778, 2545556, 3181945, 6363890, 12727780]

約数ペア:

[(1, 12727780), (2, 6363890), (4, 3181945), (5, 2545556), (10, 1272778), (13, 979060), (20, 636389), (26, 489530), (52, 244765), (65, 195812), (130, 97906), (260, 48953)]