26627720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 69638400

約数和(自身を除く): 43010680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1559, 1708, 2135, 2440, 3118, 3416, 4270, 6236, 7795, 8540, 10913, 12472, 15590, 17080, 21826, 31180, 43652, 54565, 62360, 87304, 95099, 109130, 190198, 218260, 380396, 436520, 475495, 665693, 760792, 950990, 1331386, 1901980, 2662772, 3328465, 3803960, 5325544, 6656930, 13313860, 26627720]

約数ペア:

[(1, 26627720), (2, 13313860), (4, 6656930), (5, 5325544), (7, 3803960), (8, 3328465), (10, 2662772), (14, 1901980), (20, 1331386), (28, 950990), (35, 760792), (40, 665693), (56, 475495), (61, 436520), (70, 380396), (122, 218260), (140, 190198), (244, 109130), (280, 95099), (305, 87304), (427, 62360), (488, 54565), (610, 43652), (854, 31180), (1220, 21826), (1559, 17080), (1708, 15590), (2135, 12472), (2440, 10913), (3118, 8540), (3416, 7795), (4270, 6236)]