13260520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3643}}^1$

素因数の和:3674

約数の個数: 64

約数和(自身を含む): 36731520

約数和(自身を除く): 23471000

約数列:

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

約数ペア:

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