31426640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{8017}}^1$

素因数の和:8044

約数の個数: 60

約数和(自身を含む): 85006836

約数和(自身を除く): 53580196

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 8017, 16034, 32068, 40085, 56119, 64136, 80170, 112238, 128272, 160340, 224476, 280595, 320680, 392833, 448952, 561190, 641360, 785666, 897904, 1122380, 1571332, 1964165, 2244760, 3142664, 3928330, 4489520, 6285328, 7856660, 15713320, 31426640]

約数ペア:

[(1, 31426640), (2, 15713320), (4, 7856660), (5, 6285328), (7, 4489520), (8, 3928330), (10, 3142664), (14, 2244760), (16, 1964165), (20, 1571332), (28, 1122380), (35, 897904), (40, 785666), (49, 641360), (56, 561190), (70, 448952), (80, 392833), (98, 320680), (112, 280595), (140, 224476), (196, 160340), (245, 128272), (280, 112238), (392, 80170), (490, 64136), (560, 56119), (784, 40085), (980, 32068), (1960, 16034), (3920, 8017)]