42692840

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4153}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 96455880

約数和(自身を除く): 53763040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 4153, 5140, 8306, 10280, 16612, 20765, 33224, 41530, 83060, 166120, 1067321, 2134642, 4269284, 5336605, 8538568, 10673210, 21346420, 42692840]

約数ペア:

[(1, 42692840), (2, 21346420), (4, 10673210), (5, 8538568), (8, 5336605), (10, 4269284), (20, 2134642), (40, 1067321), (257, 166120), (514, 83060), (1028, 41530), (1285, 33224), (2056, 20765), (2570, 16612), (4153, 10280), (5140, 8306)]