11472100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1392

約数の個数: 36

約数和(自身を含む): 25193700

約数和(自身を除く): 13721600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1289, 1780, 2225, 2578, 4450, 5156, 6445, 8900, 12890, 25780, 32225, 64450, 114721, 128900, 229442, 458884, 573605, 1147210, 2294420, 2868025, 5736050, 11472100]

約数ペア:

[(1, 11472100), (2, 5736050), (4, 2868025), (5, 2294420), (10, 1147210), (20, 573605), (25, 458884), (50, 229442), (89, 128900), (100, 114721), (178, 64450), (356, 32225), (445, 25780), (890, 12890), (1289, 8900), (1780, 6445), (2225, 5156), (2578, 4450)]