10305040

素因数分解:

$2^4\times 5^1\times {\mathrm{128813}}^1$

素因数の和:128826

約数の個数: 20

約数和(自身を含む): 23959404

約数和(自身を除く): 13654364

約数列:

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

約数ペア:

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