129441040

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{4507}}^1$

素因数の和:4879

約数の個数: 40

約数和(自身を含む): 301855680

約数和(自身を除く): 172414640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 4507, 5744, 7180, 9014, 14360, 18028, 22535, 28720, 36056, 45070, 72112, 90140, 180280, 360560, 1618013, 3236026, 6472052, 8090065, 12944104, 16180130, 25888208, 32360260, 64720520, 129441040]

約数ペア:

[(1, 129441040), (2, 64720520), (4, 32360260), (5, 25888208), (8, 16180130), (10, 12944104), (16, 8090065), (20, 6472052), (40, 3236026), (80, 1618013), (359, 360560), (718, 180280), (1436, 90140), (1795, 72112), (2872, 45070), (3590, 36056), (4507, 28720), (5744, 22535), (7180, 18028), (9014, 14360)]