2005900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 4690672

約数和(自身を除く): 2684772

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1543, 3086, 6172, 7715, 15430, 20059, 30860, 38575, 40118, 77150, 80236, 100295, 154300, 200590, 401180, 501475, 1002950, 2005900]

約数ペア:

[(1, 2005900), (2, 1002950), (4, 501475), (5, 401180), (10, 200590), (13, 154300), (20, 100295), (25, 80236), (26, 77150), (50, 40118), (52, 38575), (65, 30860), (100, 20059), (130, 15430), (260, 7715), (325, 6172), (650, 3086), (1300, 1543)]