25519712

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 52581312

約数和(自身を除く): 27061600

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 82, 106, 164, 212, 328, 367, 424, 656, 734, 848, 1312, 1468, 1696, 2173, 2936, 4346, 5872, 8692, 11744, 15047, 17384, 19451, 30094, 34768, 38902, 60188, 69536, 77804, 120376, 155608, 240752, 311216, 481504, 622432, 797491, 1594982, 3189964, 6379928, 12759856, 25519712]

約数ペア:

[(1, 25519712), (2, 12759856), (4, 6379928), (8, 3189964), (16, 1594982), (32, 797491), (41, 622432), (53, 481504), (82, 311216), (106, 240752), (164, 155608), (212, 120376), (328, 77804), (367, 69536), (424, 60188), (656, 38902), (734, 34768), (848, 30094), (1312, 19451), (1468, 17384), (1696, 15047), (2173, 11744), (2936, 8692), (4346, 5872)]