51240280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2049

約数の個数: 96

約数和(自身を含む): 144501840

約数和(自身を除く): 93261560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2011, 2548, 3185, 3640, 4022, 5096, 6370, 8044, 10055, 12740, 14077, 16088, 20110, 25480, 26143, 28154, 40220, 52286, 56308, 70385, 80440, 98539, 104572, 112616, 130715, 140770, 183001, 197078, 209144, 261430, 281540, 366002, 394156, 492695, 522860, 563080, 732004, 788312, 915005, 985390, 1045720, 1281007, 1464008, 1830010, 1970780, 2562014, 3660020, 3941560, 5124028, 6405035, 7320040, 10248056, 12810070, 25620140, 51240280]

約数ペア:

[(1, 51240280), (2, 25620140), (4, 12810070), (5, 10248056), (7, 7320040), (8, 6405035), (10, 5124028), (13, 3941560), (14, 3660020), (20, 2562014), (26, 1970780), (28, 1830010), (35, 1464008), (40, 1281007), (49, 1045720), (52, 985390), (56, 915005), (65, 788312), (70, 732004), (91, 563080), (98, 522860), (104, 492695), (130, 394156), (140, 366002), (182, 281540), (196, 261430), (245, 209144), (260, 197078), (280, 183001), (364, 140770), (392, 130715), (455, 112616), (490, 104572), (520, 98539), (637, 80440), (728, 70385), (910, 56308), (980, 52286), (1274, 40220), (1820, 28154), (1960, 26143), (2011, 25480), (2548, 20110), (3185, 16088), (3640, 14077), (4022, 12740), (5096, 10055), (6370, 8044)]