7988960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1019}}^1$

素因数の和:1048

約数の個数: 72

約数和(自身を含む): 21976920

約数和(自身を除く): 13987960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1019, 1120, 1568, 1960, 2038, 3920, 4076, 5095, 7133, 7840, 8152, 10190, 14266, 16304, 20380, 28532, 32608, 35665, 40760, 49931, 57064, 71330, 81520, 99862, 114128, 142660, 163040, 199724, 228256, 249655, 285320, 399448, 499310, 570640, 798896, 998620, 1141280, 1597792, 1997240, 3994480, 7988960]

約数ペア:

[(1, 7988960), (2, 3994480), (4, 1997240), (5, 1597792), (7, 1141280), (8, 998620), (10, 798896), (14, 570640), (16, 499310), (20, 399448), (28, 285320), (32, 249655), (35, 228256), (40, 199724), (49, 163040), (56, 142660), (70, 114128), (80, 99862), (98, 81520), (112, 71330), (140, 57064), (160, 49931), (196, 40760), (224, 35665), (245, 32608), (280, 28532), (392, 20380), (490, 16304), (560, 14266), (784, 10190), (980, 8152), (1019, 7840), (1120, 7133), (1568, 5095), (1960, 4076), (2038, 3920)]