25461400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 60197040

約数和(自身を除く): 34735640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2087, 2440, 3050, 4174, 6100, 8348, 10435, 12200, 16696, 20870, 41740, 52175, 83480, 104350, 127307, 208700, 254614, 417400, 509228, 636535, 1018456, 1273070, 2546140, 3182675, 5092280, 6365350, 12730700, 25461400]

約数ペア:

[(1, 25461400), (2, 12730700), (4, 6365350), (5, 5092280), (8, 3182675), (10, 2546140), (20, 1273070), (25, 1018456), (40, 636535), (50, 509228), (61, 417400), (100, 254614), (122, 208700), (200, 127307), (244, 104350), (305, 83480), (488, 52175), (610, 41740), (1220, 20870), (1525, 16696), (2087, 12200), (2440, 10435), (3050, 8348), (4174, 6100)]