20610080

素因数分解:

$2^5\times 5^1\times {\mathrm{128813}}^1$

素因数の和:128828

約数の個数: 24

約数和(自身を含む): 48691692

約数和(自身を除く): 28081612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 128813, 257626, 515252, 644065, 1030504, 1288130, 2061008, 2576260, 4122016, 5152520, 10305040, 20610080]

約数ペア:

[(1, 20610080), (2, 10305040), (4, 5152520), (5, 4122016), (8, 2576260), (10, 2061008), (16, 1288130), (20, 1030504), (32, 644065), (40, 515252), (80, 257626), (160, 128813)]