12440320

素因数分解:

$2^8\times 5^1\times {\mathrm{9719}}^1$

素因数の和:9740

約数の個数: 36

約数和(自身を含む): 29801520

約数和(自身を除く): 17361200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9719, 19438, 38876, 48595, 77752, 97190, 155504, 194380, 311008, 388760, 622016, 777520, 1244032, 1555040, 2488064, 3110080, 6220160, 12440320]

約数ペア:

[(1, 12440320), (2, 6220160), (4, 3110080), (5, 2488064), (8, 1555040), (10, 1244032), (16, 777520), (20, 622016), (32, 388760), (40, 311008), (64, 194380), (80, 155504), (128, 97190), (160, 77752), (256, 48595), (320, 38876), (640, 19438), (1280, 9719)]