25445120

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 61859616

約数和(自身を除く): 36414496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 193, 206, 256, 320, 386, 412, 515, 640, 772, 824, 965, 1030, 1280, 1544, 1648, 1930, 2060, 3088, 3296, 3860, 4120, 6176, 6592, 7720, 8240, 12352, 13184, 15440, 16480, 19879, 24704, 26368, 30880, 32960, 39758, 49408, 61760, 65920, 79516, 99395, 123520, 131840, 159032, 198790, 247040, 318064, 397580, 636128, 795160, 1272256, 1590320, 2544512, 3180640, 5089024, 6361280, 12722560, 25445120]

約数ペア:

[(1, 25445120), (2, 12722560), (4, 6361280), (5, 5089024), (8, 3180640), (10, 2544512), (16, 1590320), (20, 1272256), (32, 795160), (40, 636128), (64, 397580), (80, 318064), (103, 247040), (128, 198790), (160, 159032), (193, 131840), (206, 123520), (256, 99395), (320, 79516), (386, 65920), (412, 61760), (515, 49408), (640, 39758), (772, 32960), (824, 30880), (965, 26368), (1030, 24704), (1280, 19879), (1544, 16480), (1648, 15440), (1930, 13184), (2060, 12352), (3088, 8240), (3296, 7720), (3860, 6592), (4120, 6176)]