51072640

素因数分解:

$2^7\times 5^1\times {\mathrm{79801}}^1$

素因数の和:79820

約数の個数: 32

約数和(自身を含む): 122097060

約数和(自身を除く): 71024420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 79801, 159602, 319204, 399005, 638408, 798010, 1276816, 1596020, 2553632, 3192040, 5107264, 6384080, 10214528, 12768160, 25536320, 51072640]

約数ペア:

[(1, 51072640), (2, 25536320), (4, 12768160), (5, 10214528), (8, 6384080), (10, 5107264), (16, 3192040), (20, 2553632), (32, 1596020), (40, 1276816), (64, 798010), (80, 638408), (128, 399005), (160, 319204), (320, 159602), (640, 79801)]