12788891180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49188043}}^1$

素因数の和:49188065

約数の個数: 24

約数和(自身を含む): 28922569872

約数和(自身を除く): 16133678692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49188043, 98376086, 196752172, 245940215, 491880430, 639444559, 983760860, 1278889118, 2557778236, 3197222795, 6394445590, 12788891180]

約数ペア:

[(1, 12788891180), (2, 6394445590), (4, 3197222795), (5, 2557778236), (10, 1278889118), (13, 983760860), (20, 639444559), (26, 491880430), (52, 245940215), (65, 196752172), (130, 98376086), (260, 49188043)]