28178950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{9239}}^1$

素因数の和:9312

約数の個数: 24

約数和(自身を含む): 53277840

約数和(自身を除く): 25098890

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 9239, 18478, 46195, 92390, 230975, 461950, 563579, 1127158, 2817895, 5635790, 14089475, 28178950]

約数ペア:

[(1, 28178950), (2, 14089475), (5, 5635790), (10, 2817895), (25, 1127158), (50, 563579), (61, 461950), (122, 230975), (305, 92390), (610, 46195), (1525, 18478), (3050, 9239)]