8256640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 23990400

約数和(自身を除く): 15733760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 97, 112, 128, 133, 140, 152, 160, 190, 194, 224, 266, 280, 304, 320, 380, 388, 448, 485, 532, 560, 608, 640, 665, 679, 760, 776, 896, 970, 1064, 1120, 1216, 1330, 1358, 1520, 1552, 1843, 1940, 2128, 2240, 2432, 2660, 2716, 3040, 3104, 3395, 3686, 3880, 4256, 4480, 5320, 5432, 6080, 6208, 6790, 7372, 7760, 8512, 9215, 10640, 10864, 12160, 12416, 12901, 13580, 14744, 15520, 17024, 18430, 21280, 21728, 25802, 27160, 29488, 31040, 36860, 42560, 43456, 51604, 54320, 58976, 62080, 64505, 73720, 85120, 86912, 103208, 108640, 117952, 129010, 147440, 206416, 217280, 235904, 258020, 294880, 412832, 434560, 516040, 589760, 825664, 1032080, 1179520, 1651328, 2064160, 4128320, 8256640]

約数ペア:

[(1, 8256640), (2, 4128320), (4, 2064160), (5, 1651328), (7, 1179520), (8, 1032080), (10, 825664), (14, 589760), (16, 516040), (19, 434560), (20, 412832), (28, 294880), (32, 258020), (35, 235904), (38, 217280), (40, 206416), (56, 147440), (64, 129010), (70, 117952), (76, 108640), (80, 103208), (95, 86912), (97, 85120), (112, 73720), (128, 64505), (133, 62080), (140, 58976), (152, 54320), (160, 51604), (190, 43456), (194, 42560), (224, 36860), (266, 31040), (280, 29488), (304, 27160), (320, 25802), (380, 21728), (388, 21280), (448, 18430), (485, 17024), (532, 15520), (560, 14744), (608, 13580), (640, 12901), (665, 12416), (679, 12160), (760, 10864), (776, 10640), (896, 9215), (970, 8512), (1064, 7760), (1120, 7372), (1216, 6790), (1330, 6208), (1358, 6080), (1520, 5432), (1552, 5320), (1843, 4480), (1940, 4256), (2128, 3880), (2240, 3686), (2432, 3395), (2660, 3104), (2716, 3040)]