26521040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3643}}^1$

素因数の和:3676

約数の個数: 80

約数和(自身を含む): 75911808

約数和(自身を除く): 49390768

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 3643, 7280, 7286, 14572, 18215, 25501, 29144, 36430, 47359, 51002, 58288, 72860, 94718, 102004, 127505, 145720, 189436, 204008, 236795, 255010, 291440, 331513, 378872, 408016, 473590, 510020, 663026, 757744, 947180, 1020040, 1326052, 1657565, 1894360, 2040080, 2652104, 3315130, 3788720, 5304208, 6630260, 13260520, 26521040]

約数ペア:

[(1, 26521040), (2, 13260520), (4, 6630260), (5, 5304208), (7, 3788720), (8, 3315130), (10, 2652104), (13, 2040080), (14, 1894360), (16, 1657565), (20, 1326052), (26, 1020040), (28, 947180), (35, 757744), (40, 663026), (52, 510020), (56, 473590), (65, 408016), (70, 378872), (80, 331513), (91, 291440), (104, 255010), (112, 236795), (130, 204008), (140, 189436), (182, 145720), (208, 127505), (260, 102004), (280, 94718), (364, 72860), (455, 58288), (520, 51002), (560, 47359), (728, 36430), (910, 29144), (1040, 25501), (1456, 18215), (1820, 14572), (3640, 7286), (3643, 7280)]