25636520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7043}}^1$

素因数の和:7074

約数の個数: 64

約数和(自身を含む): 71003520

約数和(自身を除く): 45367000

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, 7043, 14086, 28172, 35215, 49301, 56344, 70430, 91559, 98602, 140860, 183118, 197204, 246505, 281720, 366236, 394408, 457795, 493010, 640913, 732472, 915590, 986020, 1281826, 1831180, 1972040, 2563652, 3204565, 3662360, 5127304, 6409130, 12818260, 25636520]

約数ペア:

[(1, 25636520), (2, 12818260), (4, 6409130), (5, 5127304), (7, 3662360), (8, 3204565), (10, 2563652), (13, 1972040), (14, 1831180), (20, 1281826), (26, 986020), (28, 915590), (35, 732472), (40, 640913), (52, 493010), (56, 457795), (65, 394408), (70, 366236), (91, 281720), (104, 246505), (130, 197204), (140, 183118), (182, 140860), (260, 98602), (280, 91559), (364, 70430), (455, 56344), (520, 49301), (728, 35215), (910, 28172), (1820, 14086), (3640, 7043)]