2539850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:734

約数の個数: 24

約数和(自身を含む): 4791360

約数和(自身を除く): 2251510

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 643, 790, 1286, 1975, 3215, 3950, 6430, 16075, 32150, 50797, 101594, 253985, 507970, 1269925, 2539850]

約数ペア:

[(1, 2539850), (2, 1269925), (5, 507970), (10, 253985), (25, 101594), (50, 50797), (79, 32150), (158, 16075), (395, 6430), (643, 3950), (790, 3215), (1286, 1975)]