2618720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 6667920

約数和(自身を除く): 4049200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1259, 2080, 2518, 5036, 6295, 10072, 12590, 16367, 20144, 25180, 32734, 40288, 50360, 65468, 81835, 100720, 130936, 163670, 201440, 261872, 327340, 523744, 654680, 1309360, 2618720]

約数ペア:

[(1, 2618720), (2, 1309360), (4, 654680), (5, 523744), (8, 327340), (10, 261872), (13, 201440), (16, 163670), (20, 130936), (26, 100720), (32, 81835), (40, 65468), (52, 50360), (65, 40288), (80, 32734), (104, 25180), (130, 20144), (160, 16367), (208, 12590), (260, 10072), (416, 6295), (520, 5036), (1040, 2518), (1259, 2080)]