12818260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7043}}^1$

素因数の和:7072

約数の個数: 48

約数和(自身を含む): 33134976

約数和(自身を除く): 20316716

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, 7043, 14086, 28172, 35215, 49301, 70430, 91559, 98602, 140860, 183118, 197204, 246505, 366236, 457795, 493010, 640913, 915590, 986020, 1281826, 1831180, 2563652, 3204565, 6409130, 12818260]

約数ペア:

[(1, 12818260), (2, 6409130), (4, 3204565), (5, 2563652), (7, 1831180), (10, 1281826), (13, 986020), (14, 915590), (20, 640913), (26, 493010), (28, 457795), (35, 366236), (52, 246505), (65, 197204), (70, 183118), (91, 140860), (130, 98602), (140, 91559), (182, 70430), (260, 49301), (364, 35215), (455, 28172), (910, 14086), (1820, 7043)]