258121280

素因数分解:

$2^6\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2753}}^1$

素因数の和:3063

約数の個数: 56

約数和(自身を含む): 616973112

約数和(自身を除く): 358851832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 293, 320, 586, 1172, 1465, 2344, 2753, 2930, 4688, 5506, 5860, 9376, 11012, 11720, 13765, 18752, 22024, 23440, 27530, 44048, 46880, 55060, 88096, 93760, 110120, 176192, 220240, 440480, 806629, 880960, 1613258, 3226516, 4033145, 6453032, 8066290, 12906064, 16132580, 25812128, 32265160, 51624256, 64530320, 129060640, 258121280]

約数ペア:

[(1, 258121280), (2, 129060640), (4, 64530320), (5, 51624256), (8, 32265160), (10, 25812128), (16, 16132580), (20, 12906064), (32, 8066290), (40, 6453032), (64, 4033145), (80, 3226516), (160, 1613258), (293, 880960), (320, 806629), (586, 440480), (1172, 220240), (1465, 176192), (2344, 110120), (2753, 93760), (2930, 88096), (4688, 55060), (5506, 46880), (5860, 44048), (9376, 27530), (11012, 23440), (11720, 22024), (13765, 18752)]