2558950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:912

約数の個数: 24

約数和(自身を含む): 4843440

約数和(自身を除く): 2284490

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 839, 1525, 1678, 3050, 4195, 8390, 20975, 41950, 51179, 102358, 255895, 511790, 1279475, 2558950]

約数ペア:

[(1, 2558950), (2, 1279475), (5, 511790), (10, 255895), (25, 102358), (50, 51179), (61, 41950), (122, 20975), (305, 8390), (610, 4195), (839, 3050), (1525, 1678)]