31836220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9419}}^1$

素因数の和:9454

約数の個数: 36

約数和(自身を含む): 72402120

約数和(自身を除く): 40565900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 9419, 18838, 37676, 47095, 94190, 122447, 188380, 244894, 489788, 612235, 1224470, 1591811, 2448940, 3183622, 6367244, 7959055, 15918110, 31836220]

約数ペア:

[(1, 31836220), (2, 15918110), (4, 7959055), (5, 6367244), (10, 3183622), (13, 2448940), (20, 1591811), (26, 1224470), (52, 612235), (65, 489788), (130, 244894), (169, 188380), (260, 122447), (338, 94190), (676, 47095), (845, 37676), (1690, 18838), (3380, 9419)]