131381900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101063}}^1$

素因数の和:101090

約数の個数: 36

約数和(自身を含む): 307032432

約数和(自身を除く): 175650532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 101063, 202126, 404252, 505315, 1010630, 1313819, 2021260, 2526575, 2627638, 5053150, 5255276, 6569095, 10106300, 13138190, 26276380, 32845475, 65690950, 131381900]

約数ペア:

[(1, 131381900), (2, 65690950), (4, 32845475), (5, 26276380), (10, 13138190), (13, 10106300), (20, 6569095), (25, 5255276), (26, 5053150), (50, 2627638), (52, 2526575), (65, 2021260), (100, 1313819), (130, 1010630), (260, 505315), (325, 404252), (650, 202126), (1300, 101063)]