28151650

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{7127}}^1$

素因数の和:7218

約数の個数: 24

約数和(自身を含む): 53032320

約数和(自身を除く): 24880670

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 7127, 14254, 35635, 71270, 178175, 356350, 563033, 1126066, 2815165, 5630330, 14075825, 28151650]

約数ペア:

[(1, 28151650), (2, 14075825), (5, 5630330), (10, 2815165), (25, 1126066), (50, 563033), (79, 356350), (158, 178175), (395, 71270), (790, 35635), (1975, 14254), (3950, 7127)]