65536840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15907}}^1$

素因数の和:16021

約数の個数: 32

約数和(自身を含む): 148898880

約数和(自身を除く): 83362040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 15907, 31814, 63628, 79535, 127256, 159070, 318140, 636280, 1638421, 3276842, 6553684, 8192105, 13107368, 16384210, 32768420, 65536840]

約数ペア:

[(1, 65536840), (2, 32768420), (4, 16384210), (5, 13107368), (8, 8192105), (10, 6553684), (20, 3276842), (40, 1638421), (103, 636280), (206, 318140), (412, 159070), (515, 127256), (824, 79535), (1030, 63628), (2060, 31814), (4120, 15907)]