12728950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19583}}^1$

素因数の和:19608

約数の個数: 24

約数和(自身を含む): 25498368

約数和(自身を除く): 12769418

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19583, 39166, 97915, 195830, 254579, 489575, 509158, 979150, 1272895, 2545790, 6364475, 12728950]

約数ペア:

[(1, 12728950), (2, 6364475), (5, 2545790), (10, 1272895), (13, 979150), (25, 509158), (26, 489575), (50, 254579), (65, 195830), (130, 97915), (325, 39166), (650, 19583)]