51355280

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{883}}^1$

素因数の和:1623

約数の個数: 40

約数和(自身を含む): 119700672

約数和(自身を除く): 68345392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 883, 1454, 1766, 2908, 3532, 3635, 4415, 5816, 7064, 7270, 8830, 11632, 14128, 14540, 17660, 29080, 35320, 58160, 70640, 641941, 1283882, 2567764, 3209705, 5135528, 6419410, 10271056, 12838820, 25677640, 51355280]

約数ペア:

[(1, 51355280), (2, 25677640), (4, 12838820), (5, 10271056), (8, 6419410), (10, 5135528), (16, 3209705), (20, 2567764), (40, 1283882), (80, 641941), (727, 70640), (883, 58160), (1454, 35320), (1766, 29080), (2908, 17660), (3532, 14540), (3635, 14128), (4415, 11632), (5816, 8830), (7064, 7270)]