12657250

素因数分解:

$2^1\times 5^3\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 23907312

約数和(自身を除く): 11250062

約数列:

[1, 2, 5, 10, 25, 50, 125, 197, 250, 257, 394, 514, 985, 1285, 1970, 2570, 4925, 6425, 9850, 12850, 24625, 32125, 49250, 50629, 64250, 101258, 253145, 506290, 1265725, 2531450, 6328625, 12657250]

約数ペア:

[(1, 12657250), (2, 6328625), (5, 2531450), (10, 1265725), (25, 506290), (50, 253145), (125, 101258), (197, 64250), (250, 50629), (257, 49250), (394, 32125), (514, 24625), (985, 12850), (1285, 9850), (1970, 6425), (2570, 4925)]