80740864

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{5087}}^1$

素因数の和:5136

約数の個数: 40

約数和(自身を含む): 166560768

約数和(自身を除く): 85819904

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 5087, 7936, 10174, 15872, 20348, 40696, 81392, 157697, 162784, 315394, 325568, 630788, 651136, 1261576, 1302272, 2523152, 2604544, 5046304, 10092608, 20185216, 40370432, 80740864]

約数ペア:

[(1, 80740864), (2, 40370432), (4, 20185216), (8, 10092608), (16, 5046304), (31, 2604544), (32, 2523152), (62, 1302272), (64, 1261576), (124, 651136), (128, 630788), (248, 325568), (256, 315394), (496, 162784), (512, 157697), (992, 81392), (1984, 40696), (3968, 20348), (5087, 15872), (7936, 10174)]