25298975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 37810080

約数和(自身を除く): 12511105

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 221, 241, 247, 323, 325, 425, 475, 1105, 1205, 1235, 1615, 3133, 4097, 4199, 4579, 5525, 6025, 6175, 8075, 15665, 20485, 20995, 22895, 53261, 59527, 77843, 78325, 102425, 104975, 114475, 266305, 297635, 389215, 1011959, 1331525, 1488175, 1946075, 5059795, 25298975]

約数ペア:

[(1, 25298975), (5, 5059795), (13, 1946075), (17, 1488175), (19, 1331525), (25, 1011959), (65, 389215), (85, 297635), (95, 266305), (221, 114475), (241, 104975), (247, 102425), (323, 78325), (325, 77843), (425, 59527), (475, 53261), (1105, 22895), (1205, 20995), (1235, 20485), (1615, 15665), (3133, 8075), (4097, 6175), (4199, 6025), (4579, 5525)]