25508925

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 56871360

約数和(自身を除く): 31362435

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 25, 27, 39, 45, 51, 57, 65, 75, 81, 85, 95, 117, 135, 153, 171, 195, 221, 225, 243, 247, 255, 285, 323, 325, 351, 405, 425, 459, 475, 513, 585, 663, 675, 741, 765, 855, 969, 975, 1053, 1105, 1215, 1235, 1275, 1377, 1425, 1539, 1615, 1755, 1989, 2025, 2223, 2295, 2565, 2907, 2925, 3159, 3315, 3705, 3825, 4131, 4199, 4275, 4617, 4845, 5265, 5525, 5967, 6075, 6175, 6669, 6885, 7695, 8075, 8721, 8775, 9945, 11115, 11475, 12597, 12825, 14535, 15795, 16575, 17901, 18525, 20007, 20655, 20995, 23085, 24225, 26163, 26325, 29835, 33345, 34425, 37791, 38475, 43605, 49725, 53703, 55575, 60021, 62985, 72675, 78489, 78975, 89505, 100035, 103275, 104975, 113373, 115425, 130815, 149175, 166725, 188955, 218025, 268515, 300105, 314925, 340119, 392445, 447525, 500175, 566865, 654075, 944775, 1020357, 1342575, 1500525, 1700595, 1962225, 2834325, 5101785, 8502975, 25508925]

約数ペア:

[(1, 25508925), (3, 8502975), (5, 5101785), (9, 2834325), (13, 1962225), (15, 1700595), (17, 1500525), (19, 1342575), (25, 1020357), (27, 944775), (39, 654075), (45, 566865), (51, 500175), (57, 447525), (65, 392445), (75, 340119), (81, 314925), (85, 300105), (95, 268515), (117, 218025), (135, 188955), (153, 166725), (171, 149175), (195, 130815), (221, 115425), (225, 113373), (243, 104975), (247, 103275), (255, 100035), (285, 89505), (323, 78975), (325, 78489), (351, 72675), (405, 62985), (425, 60021), (459, 55575), (475, 53703), (513, 49725), (585, 43605), (663, 38475), (675, 37791), (741, 34425), (765, 33345), (855, 29835), (969, 26325), (975, 26163), (1053, 24225), (1105, 23085), (1215, 20995), (1235, 20655), (1275, 20007), (1377, 18525), (1425, 17901), (1539, 16575), (1615, 15795), (1755, 14535), (1989, 12825), (2025, 12597), (2223, 11475), (2295, 11115), (2565, 9945), (2907, 8775), (2925, 8721), (3159, 8075), (3315, 7695), (3705, 6885), (3825, 6669), (4131, 6175), (4199, 6075), (4275, 5967), (4617, 5525), (4845, 5265)]