25116910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3977

約数の個数: 48

約数和(自身を含む): 56651616

約数和(自身を除く): 31534706

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 3943, 6370, 7886, 19715, 27601, 39430, 51259, 55202, 102518, 138005, 193207, 256295, 276010, 358813, 386414, 512590, 717626, 966035, 1794065, 1932070, 2511691, 3588130, 5023382, 12558455, 25116910]

約数ペア:

[(1, 25116910), (2, 12558455), (5, 5023382), (7, 3588130), (10, 2511691), (13, 1932070), (14, 1794065), (26, 966035), (35, 717626), (49, 512590), (65, 386414), (70, 358813), (91, 276010), (98, 256295), (130, 193207), (182, 138005), (245, 102518), (455, 55202), (490, 51259), (637, 39430), (910, 27601), (1274, 19715), (3185, 7886), (3943, 6370)]