51640528

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{8297}}^1$

素因数の和:8694

約数の個数: 20

約数和(自身を含む): 100322820

約数和(自身を除く): 48682292

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 8297, 16594, 33188, 66376, 132752, 3227533, 6455066, 12910132, 25820264, 51640528]

約数ペア:

[(1, 51640528), (2, 25820264), (4, 12910132), (8, 6455066), (16, 3227533), (389, 132752), (778, 66376), (1556, 33188), (3112, 16594), (6224, 8297)]