25909845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 21990315

約数列:

[1, 3, 5, 13, 15, 23, 39, 53, 65, 69, 109, 115, 159, 195, 265, 299, 327, 345, 545, 689, 795, 897, 1219, 1417, 1495, 1635, 2067, 2507, 3445, 3657, 4251, 4485, 5777, 6095, 7085, 7521, 10335, 12535, 15847, 17331, 18285, 21255, 28885, 32591, 37605, 47541, 75101, 79235, 86655, 97773, 132871, 162955, 225303, 237705, 375505, 398613, 488865, 664355, 1126515, 1727323, 1993065, 5181969, 8636615, 25909845]

約数ペア:

[(1, 25909845), (3, 8636615), (5, 5181969), (13, 1993065), (15, 1727323), (23, 1126515), (39, 664355), (53, 488865), (65, 398613), (69, 375505), (109, 237705), (115, 225303), (159, 162955), (195, 132871), (265, 97773), (299, 86655), (327, 79235), (345, 75101), (545, 47541), (689, 37605), (795, 32591), (897, 28885), (1219, 21255), (1417, 18285), (1495, 17331), (1635, 15847), (2067, 12535), (2507, 10335), (3445, 7521), (3657, 7085), (4251, 6095), (4485, 5777)]