22640120

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{883}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 51077520

約数和(自身を除く): 28437400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 883, 1282, 1766, 2564, 3205, 3532, 4415, 5128, 6410, 7064, 8830, 12820, 17660, 25640, 35320, 566003, 1132006, 2264012, 2830015, 4528024, 5660030, 11320060, 22640120]

約数ペア:

[(1, 22640120), (2, 11320060), (4, 5660030), (5, 4528024), (8, 2830015), (10, 2264012), (20, 1132006), (40, 566003), (641, 35320), (883, 25640), (1282, 17660), (1766, 12820), (2564, 8830), (3205, 7064), (3532, 6410), (4415, 5128)]