54421280

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2447}}^1$

素因数の和:2601

約数の個数: 48

約数和(自身を含む): 129548160

約数和(自身を除く): 75126880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2447, 2780, 4448, 4894, 5560, 9788, 11120, 12235, 19576, 22240, 24470, 39152, 48940, 78304, 97880, 195760, 340133, 391520, 680266, 1360532, 1700665, 2721064, 3401330, 5442128, 6802660, 10884256, 13605320, 27210640, 54421280]

約数ペア:

[(1, 54421280), (2, 27210640), (4, 13605320), (5, 10884256), (8, 6802660), (10, 5442128), (16, 3401330), (20, 2721064), (32, 1700665), (40, 1360532), (80, 680266), (139, 391520), (160, 340133), (278, 195760), (556, 97880), (695, 78304), (1112, 48940), (1390, 39152), (2224, 24470), (2447, 22240), (2780, 19576), (4448, 12235), (4894, 11120), (5560, 9788)]