26149760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:488

約数の個数: 128

約数和(自身を含む): 77112000

約数和(自身を除く): 50962240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 449, 455, 520, 560, 640, 728, 832, 896, 898, 910, 1040, 1120, 1456, 1664, 1796, 1820, 2080, 2240, 2245, 2912, 3143, 3592, 3640, 4160, 4480, 4490, 5824, 5837, 6286, 7184, 7280, 8320, 8980, 11648, 11674, 12572, 14368, 14560, 15715, 17960, 23348, 25144, 28736, 29120, 29185, 31430, 35920, 40859, 46696, 50288, 57472, 58240, 58370, 62860, 71840, 81718, 93392, 100576, 116740, 125720, 143680, 163436, 186784, 201152, 204295, 233480, 251440, 287360, 326872, 373568, 402304, 408590, 466960, 502880, 653744, 747136, 817180, 933920, 1005760, 1307488, 1634360, 1867840, 2011520, 2614976, 3268720, 3735680, 5229952, 6537440, 13074880, 26149760]

約数ペア:

[(1, 26149760), (2, 13074880), (4, 6537440), (5, 5229952), (7, 3735680), (8, 3268720), (10, 2614976), (13, 2011520), (14, 1867840), (16, 1634360), (20, 1307488), (26, 1005760), (28, 933920), (32, 817180), (35, 747136), (40, 653744), (52, 502880), (56, 466960), (64, 408590), (65, 402304), (70, 373568), (80, 326872), (91, 287360), (104, 251440), (112, 233480), (128, 204295), (130, 201152), (140, 186784), (160, 163436), (182, 143680), (208, 125720), (224, 116740), (260, 100576), (280, 93392), (320, 81718), (364, 71840), (416, 62860), (448, 58370), (449, 58240), (455, 57472), (520, 50288), (560, 46696), (640, 40859), (728, 35920), (832, 31430), (896, 29185), (898, 29120), (910, 28736), (1040, 25144), (1120, 23348), (1456, 17960), (1664, 15715), (1796, 14560), (1820, 14368), (2080, 12572), (2240, 11674), (2245, 11648), (2912, 8980), (3143, 8320), (3592, 7280), (3640, 7184), (4160, 6286), (4480, 5837), (4490, 5824)]