51102080

素因数分解:

$2^7\times 5^1\times {\mathrm{79847}}^1$

素因数の和:79866

約数の個数: 32

約数和(自身を含む): 122167440

約数和(自身を除く): 71065360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 79847, 159694, 319388, 399235, 638776, 798470, 1277552, 1596940, 2555104, 3193880, 5110208, 6387760, 10220416, 12775520, 25551040, 51102080]

約数ペア:

[(1, 51102080), (2, 25551040), (4, 12775520), (5, 10220416), (8, 6387760), (10, 5110208), (16, 3193880), (20, 2555104), (32, 1596940), (40, 1277552), (64, 798470), (80, 638776), (128, 399235), (160, 319388), (320, 159694), (640, 79847)]