25457320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 45045080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 59, 67, 70, 92, 115, 118, 134, 140, 161, 184, 230, 236, 268, 280, 295, 322, 335, 413, 460, 469, 472, 536, 590, 644, 670, 805, 826, 920, 938, 1180, 1288, 1340, 1357, 1541, 1610, 1652, 1876, 2065, 2345, 2360, 2680, 2714, 3082, 3220, 3304, 3752, 3953, 4130, 4690, 5428, 6164, 6440, 6785, 7705, 7906, 8260, 9380, 9499, 10787, 10856, 12328, 13570, 15410, 15812, 16520, 18760, 18998, 19765, 21574, 27140, 27671, 30820, 31624, 37996, 39530, 43148, 47495, 53935, 54280, 55342, 61640, 75992, 79060, 86296, 90919, 94990, 107870, 110684, 138355, 158120, 181838, 189980, 215740, 221368, 276710, 363676, 379960, 431480, 454595, 553420, 636433, 727352, 909190, 1106840, 1272866, 1818380, 2545732, 3182165, 3636760, 5091464, 6364330, 12728660, 25457320]

約数ペア:

[(1, 25457320), (2, 12728660), (4, 6364330), (5, 5091464), (7, 3636760), (8, 3182165), (10, 2545732), (14, 1818380), (20, 1272866), (23, 1106840), (28, 909190), (35, 727352), (40, 636433), (46, 553420), (56, 454595), (59, 431480), (67, 379960), (70, 363676), (92, 276710), (115, 221368), (118, 215740), (134, 189980), (140, 181838), (161, 158120), (184, 138355), (230, 110684), (236, 107870), (268, 94990), (280, 90919), (295, 86296), (322, 79060), (335, 75992), (413, 61640), (460, 55342), (469, 54280), (472, 53935), (536, 47495), (590, 43148), (644, 39530), (670, 37996), (805, 31624), (826, 30820), (920, 27671), (938, 27140), (1180, 21574), (1288, 19765), (1340, 18998), (1357, 18760), (1541, 16520), (1610, 15812), (1652, 15410), (1876, 13570), (2065, 12328), (2345, 10856), (2360, 10787), (2680, 9499), (2714, 9380), (3082, 8260), (3220, 7906), (3304, 7705), (3752, 6785), (3953, 6440), (4130, 6164), (4690, 5428)]