13609880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3823}}^1$

素因数の和:3923

約数の個数: 32

約数和(自身を含む): 30974400

約数和(自身を除く): 17364520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3823, 7646, 15292, 19115, 30584, 38230, 76460, 152920, 340247, 680494, 1360988, 1701235, 2721976, 3402470, 6804940, 13609880]

約数ペア:

[(1, 13609880), (2, 6804940), (4, 3402470), (5, 2721976), (8, 1701235), (10, 1360988), (20, 680494), (40, 340247), (89, 152920), (178, 76460), (356, 38230), (445, 30584), (712, 19115), (890, 15292), (1780, 7646), (3560, 3823)]