12578020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6911}}^1$

素因数の和:6940

約数の個数: 48

約数和(自身を含む): 32514048

約数和(自身を除く): 19936028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 6911, 13822, 27644, 34555, 48377, 69110, 89843, 96754, 138220, 179686, 193508, 241885, 359372, 449215, 483770, 628901, 898430, 967540, 1257802, 1796860, 2515604, 3144505, 6289010, 12578020]

約数ペア:

[(1, 12578020), (2, 6289010), (4, 3144505), (5, 2515604), (7, 1796860), (10, 1257802), (13, 967540), (14, 898430), (20, 628901), (26, 483770), (28, 449215), (35, 359372), (52, 241885), (65, 193508), (70, 179686), (91, 138220), (130, 96754), (140, 89843), (182, 69110), (260, 48377), (364, 34555), (455, 27644), (910, 13822), (1820, 6911)]