25760865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 49593600

約数和(自身を除く): 23832735

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 323, 409, 663, 741, 969, 1105, 1227, 1235, 1615, 2045, 3315, 3705, 4199, 4845, 5317, 6135, 6953, 7771, 12597, 15951, 20859, 20995, 23313, 26585, 34765, 38855, 62985, 79755, 90389, 101023, 104295, 116565, 132107, 271167, 303069, 396321, 451945, 505115, 660535, 1355835, 1515345, 1717391, 1981605, 5152173, 8586955, 25760865]

約数ペア:

[(1, 25760865), (3, 8586955), (5, 5152173), (13, 1981605), (15, 1717391), (17, 1515345), (19, 1355835), (39, 660535), (51, 505115), (57, 451945), (65, 396321), (85, 303069), (95, 271167), (195, 132107), (221, 116565), (247, 104295), (255, 101023), (285, 90389), (323, 79755), (409, 62985), (663, 38855), (741, 34765), (969, 26585), (1105, 23313), (1227, 20995), (1235, 20859), (1615, 15951), (2045, 12597), (3315, 7771), (3705, 6953), (4199, 6135), (4845, 5317)]