25798240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 66890880

約数和(自身を除く): 41092640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 157, 158, 160, 208, 260, 314, 316, 395, 416, 520, 628, 632, 785, 790, 1027, 1040, 1256, 1264, 1570, 1580, 2041, 2054, 2080, 2512, 2528, 3140, 3160, 4082, 4108, 5024, 5135, 6280, 6320, 8164, 8216, 10205, 10270, 12403, 12560, 12640, 16328, 16432, 20410, 20540, 24806, 25120, 32656, 32864, 40820, 41080, 49612, 62015, 65312, 81640, 82160, 99224, 124030, 161239, 163280, 164320, 198448, 248060, 322478, 326560, 396896, 496120, 644956, 806195, 992240, 1289912, 1612390, 1984480, 2579824, 3224780, 5159648, 6449560, 12899120, 25798240]

約数ペア:

[(1, 25798240), (2, 12899120), (4, 6449560), (5, 5159648), (8, 3224780), (10, 2579824), (13, 1984480), (16, 1612390), (20, 1289912), (26, 992240), (32, 806195), (40, 644956), (52, 496120), (65, 396896), (79, 326560), (80, 322478), (104, 248060), (130, 198448), (157, 164320), (158, 163280), (160, 161239), (208, 124030), (260, 99224), (314, 82160), (316, 81640), (395, 65312), (416, 62015), (520, 49612), (628, 41080), (632, 40820), (785, 32864), (790, 32656), (1027, 25120), (1040, 24806), (1256, 20540), (1264, 20410), (1570, 16432), (1580, 16328), (2041, 12640), (2054, 12560), (2080, 12403), (2512, 10270), (2528, 10205), (3140, 8216), (3160, 8164), (4082, 6320), (4108, 6280), (5024, 5135)]