2128889450

素因数分解:

$2^1\times 5^2\times {\mathrm{1663}}^1\times {\mathrm{25603}}^1$

素因数の和:27278

約数の個数: 24

約数和(自身を含む): 3962270208

約数和(自身を除く): 1833380758

約数列:

[1, 2, 5, 10, 25, 50, 1663, 3326, 8315, 16630, 25603, 41575, 51206, 83150, 128015, 256030, 640075, 1280150, 42577789, 85155578, 212888945, 425777890, 1064444725, 2128889450]

約数ペア:

[(1, 2128889450), (2, 1064444725), (5, 425777890), (10, 212888945), (25, 85155578), (50, 42577789), (1663, 1280150), (3326, 640075), (8315, 256030), (16630, 128015), (25603, 83150), (41575, 51206)]