25280820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{140449}}^1$

素因数の和:140464

約数の個数: 36

約数和(自身を含む): 76685700

約数和(自身を除く): 51404880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 140449, 280898, 421347, 561796, 702245, 842694, 1264041, 1404490, 1685388, 2106735, 2528082, 2808980, 4213470, 5056164, 6320205, 8426940, 12640410, 25280820]

約数ペア:

[(1, 25280820), (2, 12640410), (3, 8426940), (4, 6320205), (5, 5056164), (6, 4213470), (9, 2808980), (10, 2528082), (12, 2106735), (15, 1685388), (18, 1404490), (20, 1264041), (30, 842694), (36, 702245), (45, 561796), (60, 421347), (90, 280898), (180, 140449)]