25820145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 53464320

約数和(自身を除く): 27644175

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 39, 45, 57, 65, 69, 95, 101, 115, 117, 171, 195, 207, 247, 285, 299, 303, 345, 437, 505, 585, 741, 855, 897, 909, 1035, 1235, 1311, 1313, 1495, 1515, 1919, 2185, 2223, 2323, 2691, 3705, 3933, 3939, 4485, 4545, 5681, 5757, 6555, 6565, 6969, 9595, 11115, 11615, 11817, 13455, 17043, 17271, 19665, 19695, 20907, 24947, 28405, 28785, 30199, 34845, 44137, 51129, 59085, 74841, 85215, 86355, 90597, 104535, 124735, 132411, 150995, 220685, 224523, 255645, 271791, 374205, 397233, 452985, 573781, 662055, 1122615, 1358955, 1721343, 1986165, 2868905, 5164029, 8606715, 25820145]

約数ペア:

[(1, 25820145), (3, 8606715), (5, 5164029), (9, 2868905), (13, 1986165), (15, 1721343), (19, 1358955), (23, 1122615), (39, 662055), (45, 573781), (57, 452985), (65, 397233), (69, 374205), (95, 271791), (101, 255645), (115, 224523), (117, 220685), (171, 150995), (195, 132411), (207, 124735), (247, 104535), (285, 90597), (299, 86355), (303, 85215), (345, 74841), (437, 59085), (505, 51129), (585, 44137), (741, 34845), (855, 30199), (897, 28785), (909, 28405), (1035, 24947), (1235, 20907), (1311, 19695), (1313, 19665), (1495, 17271), (1515, 17043), (1919, 13455), (2185, 11817), (2223, 11615), (2323, 11115), (2691, 9595), (3705, 6969), (3933, 6565), (3939, 6555), (4485, 5757), (4545, 5681)]