25310120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 67495680

約数和(自身を除く): 42185560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 41, 44, 46, 55, 61, 82, 88, 92, 110, 115, 122, 164, 184, 205, 220, 230, 244, 253, 305, 328, 410, 440, 451, 460, 488, 506, 610, 671, 820, 902, 920, 943, 1012, 1220, 1265, 1342, 1403, 1640, 1804, 1886, 2024, 2255, 2440, 2501, 2530, 2684, 2806, 3355, 3608, 3772, 4510, 4715, 5002, 5060, 5368, 5612, 6710, 7015, 7544, 9020, 9430, 10004, 10120, 10373, 11224, 12505, 13420, 14030, 15433, 18040, 18860, 20008, 20746, 25010, 26840, 27511, 28060, 30866, 37720, 41492, 50020, 51865, 55022, 56120, 57523, 61732, 77165, 82984, 100040, 103730, 110044, 115046, 123464, 137555, 154330, 207460, 220088, 230092, 275110, 287615, 308660, 414920, 460184, 550220, 575230, 617320, 632753, 1100440, 1150460, 1265506, 2300920, 2531012, 3163765, 5062024, 6327530, 12655060, 25310120]

約数ペア:

[(1, 25310120), (2, 12655060), (4, 6327530), (5, 5062024), (8, 3163765), (10, 2531012), (11, 2300920), (20, 1265506), (22, 1150460), (23, 1100440), (40, 632753), (41, 617320), (44, 575230), (46, 550220), (55, 460184), (61, 414920), (82, 308660), (88, 287615), (92, 275110), (110, 230092), (115, 220088), (122, 207460), (164, 154330), (184, 137555), (205, 123464), (220, 115046), (230, 110044), (244, 103730), (253, 100040), (305, 82984), (328, 77165), (410, 61732), (440, 57523), (451, 56120), (460, 55022), (488, 51865), (506, 50020), (610, 41492), (671, 37720), (820, 30866), (902, 28060), (920, 27511), (943, 26840), (1012, 25010), (1220, 20746), (1265, 20008), (1342, 18860), (1403, 18040), (1640, 15433), (1804, 14030), (1886, 13420), (2024, 12505), (2255, 11224), (2440, 10373), (2501, 10120), (2530, 10004), (2684, 9430), (2806, 9020), (3355, 7544), (3608, 7015), (3772, 6710), (4510, 5612), (4715, 5368), (5002, 5060)]