25989425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 16007887

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 575, 587, 805, 1265, 1771, 1925, 2935, 4025, 4109, 6325, 6457, 8855, 13501, 14675, 20545, 32285, 44275, 45199, 67505, 94507, 102725, 148511, 161425, 225995, 337525, 472535, 742555, 1039577, 1129975, 2362675, 3712775, 5197885, 25989425]

約数ペア:

[(1, 25989425), (5, 5197885), (7, 3712775), (11, 2362675), (23, 1129975), (25, 1039577), (35, 742555), (55, 472535), (77, 337525), (115, 225995), (161, 161425), (175, 148511), (253, 102725), (275, 94507), (385, 67505), (575, 45199), (587, 44275), (805, 32285), (1265, 20545), (1771, 14675), (1925, 13501), (2935, 8855), (4025, 6457), (4109, 6325)]