28132160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:704

約数の個数: 112

約数和(自身を含む): 80711040

約数和(自身を除く): 52578880

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, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 661, 665, 760, 1064, 1120, 1216, 1322, 1330, 1520, 2128, 2240, 2644, 2660, 3040, 3305, 4256, 4627, 5288, 5320, 6080, 6610, 8512, 9254, 10576, 10640, 12559, 13220, 18508, 21152, 21280, 23135, 25118, 26440, 37016, 42304, 42560, 46270, 50236, 52880, 62795, 74032, 87913, 92540, 100472, 105760, 125590, 148064, 175826, 185080, 200944, 211520, 251180, 296128, 351652, 370160, 401888, 439565, 502360, 703304, 740320, 803776, 879130, 1004720, 1406608, 1480640, 1758260, 2009440, 2813216, 3516520, 4018880, 5626432, 7033040, 14066080, 28132160]

約数ペア:

[(1, 28132160), (2, 14066080), (4, 7033040), (5, 5626432), (7, 4018880), (8, 3516520), (10, 2813216), (14, 2009440), (16, 1758260), (19, 1480640), (20, 1406608), (28, 1004720), (32, 879130), (35, 803776), (38, 740320), (40, 703304), (56, 502360), (64, 439565), (70, 401888), (76, 370160), (80, 351652), (95, 296128), (112, 251180), (133, 211520), (140, 200944), (152, 185080), (160, 175826), (190, 148064), (224, 125590), (266, 105760), (280, 100472), (304, 92540), (320, 87913), (380, 74032), (448, 62795), (532, 52880), (560, 50236), (608, 46270), (661, 42560), (665, 42304), (760, 37016), (1064, 26440), (1120, 25118), (1216, 23135), (1322, 21280), (1330, 21152), (1520, 18508), (2128, 13220), (2240, 12559), (2644, 10640), (2660, 10576), (3040, 9254), (3305, 8512), (4256, 6610), (4627, 6080), (5288, 5320)]