25251616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 54158328

約数和(自身を除く): 28906712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 601, 808, 1202, 1313, 1616, 2404, 2626, 3232, 4808, 5252, 7813, 9616, 10504, 15626, 19232, 21008, 31252, 42016, 60701, 62504, 121402, 125008, 242804, 250016, 485608, 789113, 971216, 1578226, 1942432, 3156452, 6312904, 12625808, 25251616]

約数ペア:

[(1, 25251616), (2, 12625808), (4, 6312904), (8, 3156452), (13, 1942432), (16, 1578226), (26, 971216), (32, 789113), (52, 485608), (101, 250016), (104, 242804), (202, 125008), (208, 121402), (404, 62504), (416, 60701), (601, 42016), (808, 31252), (1202, 21008), (1313, 19232), (1616, 15626), (2404, 10504), (2626, 9616), (3232, 7813), (4808, 5252)]